# Types Of Resistor

It is used as switch and amplifier. 24 hour RFQ turnaround for Neutral Earthing Resistor Systems. Read more Tutorials inResistors 1. 22 uf capacitor to change the ringing rate and change the 22 Meg. Others are composed of metal-film. The third band indicates the number of zeros. We have now SMD types with lower power some are Laser Trimmed Types for accurate values. Resistor Colour Code Standard Resistor Values Ohm. The Carbon Resistor is low to a medium type power resistor. At one time, only discrete devices existed; they were usually sealed in ceramic, with a wire extending from each segment to the outside, where it could be connected to an electric circuit. First let me say that this is the 3rd resistor for this truck. it's a bit of material which behaves as we described in the last section. Resistor is defined as an electrical component which is used for controlling temperature and voltage. These SMD resistors are typically much smaller than traditional resistors, thus taking up much less space on a circuit board. The resistor is coated with an insulating material to protect the conducting material from the surrounding environment and vice versa. $R = \frac {V}{I}$ The electrical resistance is equal to the voltage drop across the resistor divided by the current. The circuit above is a light sensor. Suppose, in this case, it is found that the plate supply voltage is 250 and the screen voltage is 90. from 1k to 100k or from 1M to 100M. Resistors are usually of two types -fixed and variable resistors. This article deals with the practical matters of heat transfer in power resistors and includes a description of the specific geometry of film resistor parts, as opposed to other technologies such as wire wound resistors. The main aim of the resistor inside a circuit is to set the flow of electrons through them. There are two types of resistors: linear resistor and non-linear resistor. For example, a 1/4W resistor is designed to handle up to 1/4W continuously without being destroyed. The blower motor resistor is an electrical component that is a part of the vehicle's heating and air conditioning system. Types of Lightning Arresters The lightning arrester protects the electrical equipment from lightning. In this video, different types of resistors and different characteristics of resistors have been explained. By this action iron powder forms like a magnetic solid structure which consists of distributed air gap. These example sentences are selected automatically from various online news. The electrical resistance of a resistor is measured in ohms. Dropping Resistor Calculator (The Calculator is at the bottom of the page if you want to skip ahead) If you want to try to run something off of a higher recommended voltage their are several ways to do it. On this type ( same as the 97-03 ) the blower motor resistor or the resistor and pigtail might need to be replaced. At first this is intermittent, then later pretty much constant. The first two inverters form a slow pulse generator which controls the ringing rate. Depending on the application and stress, resistors are available as wire wound, steel grid or cast iron resistor versions. We'll call it 'VI', for 'V in'. You can also find resistors rated for 1/2 W or 1 W, but they're rarely needed in the hobbiest types of electronic projects. The word is a portmanteau of thermal and resistor. Some resistors are sensitive to heat and light and vary their resistance in accordance with temperature or brightness. Determine the following quantities for each of the two circuits shown below… the equivalent resistance, the total current from the power supply, the current through each resistor, the voltage drop across each resistor, and; the power dissipated in each resistor. Resistor is an electrical component that reduces the electric current. For example a 390Ω resistor with a tolerance of ±10% will have a value within 10% of 390Ω, between 390 - 39 = 351Ω and 390 + 39 = 429Ω (39 is 10% of 390). For use with GS2/GS3-22P0 AC drives. Giant Magnetoresistance (GMR) - In this effect, the resistance of the magneto resistor becomes small when their ferromagnetic layers are parallel to each other. What happens when you increase the voltage across the battery? How does the current through the circuit, the speed ofthe blue spheres, the resistance of the resistor, the temperature of the resistor, and the green particles in the resistor change? Why (or why not) does each of these change as they do?. Name three other types of fixed resistors. What does it mean? It means that Collector Pin of a transistor is kept open in this IC which can be connected to your own +ve supply rail through a right valued external resistor. Read more Tutorials inResistors 1. Additional Information. I have included a diagram above (fig1-1). Presently, the most popular type of resistor is the film-type resistor shown in Figure 4. For most standard circuits, you don't need to worry about the types of resistors you choose. From the outside, all resistors look more or less the same. Transistors are very durable, are very small, have a high resistance to physical shock, and are very inexpensive. Then the value of resistance is set by cutting a spiral groove through the film. This type of automotive resistor is designed to change its resistance value as its temperature changes. Jews resisted Nazi oppression in a variety of ways, both collectively and as individuals. Depending on the application and stress, resistors are available as wire wound, steel grid or cast iron resistor versions. Most resistors have between 4 and 6 bands: The first band gives the first digit. A Comparison of Ladder, Series, and Shunt Type Stepped Attenuators. tolerance definition: 1. Thermistor,rheostat,voltmeter,multimeter,oil bath arrangement. As you can see there are a lot of different type of resistors. This type of spark plug also prevents electrical noise from interfering with the operation of the computer in the engine. In these resistors, a resistance film is deposited on a non-conductive rod. Ability to be fused, cost, and the length. Let us observe what happens, when few resistors are. Resistor Thermal Noise - Another Dataforth Technical eNewsletter Noise in measurement and control systems is generally considered to be EMI, electromagnetic interference. Resistor Colour Code. Rectangular type wirewound resistors with glass core rectangular type wirewound resistors with ceramic core rectangular typemetal oxide film resistors. These circuit uses parallel and series resistors to be used as adders or dividers of the incoming signals. Some people will recommend only using carbon composition resistors, others will tell you that metal film resistors are better. I took it out and have another one done at the same size and capacity. The Carbon Resistor is low to a medium type power resistor. Here you will be able to find out exactly what is the function of a resistor and also the various uses of resistors in electronic circuits. Resistors are identified with the help of color codes. Lower wattage parts come in SMD form, typically below 3 watts. 20mm CDS Resistor Photoresistors Configurations & Dimensions PGM20** series Resistor Electronics Characteristics Ø20. a series resistor connected across a switch. Single resistors have one set of terminal leads whereas chip resistor arrays are in-line packages with several pins representing one common pin and one for each resistor in the array. Glasses put another lens in front of the eye to help focus the light better for us. The simplest are wirewound resistors with some of the wire exposed so a movable electrode can be attached. Other Types of Resistors Fixed Resistors. types (typically less than 5W) but having closer tolerances. LED: Stands for "Light-Emitting Diode. There are two common types of resistor; fixed and variable resistors. GS-22P0-BR - Braking resistor, 300W, 100 ohm, encapsulated. Resistors in Series. 5 W) and blowing power tubes, and an amp tech told me that I should replace the 470 ohm cathode resistor to reduce cathode current. 5 volts - the same as the voltage rating of the power supply. The linear resistors are two different types of resistor which are the following. Symptom of a bad resistor for me has been that the AC/heater blower will only work on high. Resistors start from Wires to Wirewound Types. LDR Pin Description. They are breadboard friendly and can be easily used on a perf board also. if power rating is exceeded let the smoke out it. There are different types of capacitors that are manufactured in many forms, styles, and materials. Fixed resistors have a constant resistance value. Input Pullup Serial. A ballast resistor is used in ignition circuits and hi current starting circuits. Read about 'How do I tell a resistor's wattage?' on element14. In this section two closely related forms of voltammetry are introduced. Resistor Materials Resistors can be found in a variety of different materials, each one with its own properties and specific areas of use. The resistance, R, provides the required reduction in current or the desired drop in voltage. A diode is a type of electrical device that only allows current to move through it in one direction. When in darkness its resistance if very large and as more and more light falls on it its resistance becomes smaller and smaller. Mouser is an authorized distributor for many wirewound resistor manufacturers including Arcol, Bourns, Honeywell, IRC, Ohmite, TE Connectivity, Vishay & many more. Resistor Colour Code. com — presumably as a resource for students. Part Number:742C043103JP CTS Electronic Components Resistor Networks & Arrays, Stock Category:Available stock, Date Code:1639+, 742C043103JP PCB Footprint and Symbol, 742C043103JP Datasheet, Description:Resistor Networks & Arrays 10Kohms 50V 5%. Fixed resistors have a constant resistance value. This type of sensors is used mostly in the human thermometers. It is probably the most common component in all kinds of electronic equipment ranging from a small radio to a colour television receiver. Schottky diodes are used primarily in high frequency and fast-switching applications. Note: To make a series type linear taper stepped attenuator, divide your chosen stepped attenuator value by the total number of switch positions minus one (in our case 24 - 1 = 23 - or - 47 - 1 = 46). We hope that by reading this article you have got a better understanding of the concept of different types of resistors and its applications. Datasheet search engine for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors. Dual row pins, isolated, individual resistors each with 2 adjacent pins, ie. Wirewound Resistors are available at Mouser Electronics from industry leading manufacturers. ) The power across each individual 25 ? resistor is P = I × V = 90 mA × 2. It is internally logical from the perspective of the employee attitude and feelings about change. The End-of-Line Resistor used in fire alarm systems and security systems may look the same as a Terminating Resistor, however the function of the End-of-Line Resistor is completely different. Those stripes are in a code that will tell you the value of the resistors (in ohms). The most common type for electronics use is the carbon resistor. These resistors are of two types - NTC Thermistor (Negative Temperature Co-efficient type Thermistor) and PTC Thermistor (Positive Temperature (Co-efficient type Thermistor). In most cases they are composed of metal oxides, which are dried and sintered to obtain the desired form factor. I can get an OEM one from the local Suzuki dealer but they re asking bloody \$76 for it (and they've got one on the shelf). In fact the lead inside the pencil consists of properties of an electrical resistor and thus it acts as a resistor. Examples of open drain outputs commonly found on ICs include Power Good (PG) and Low Battery (LBO) on switching regulators, reset and Power Fail (PFO) on supply voltage supervisors (SVS), and Low Battery, Power Fail, and reset on power management units. The larger the resistor the greater the wattage. Difficulty: Average. Buy online, pick up in-store in 30 minutes. Below that, I believe a metal film or metal oxide. Metal film resistors are usually coated with nickel chromium (NiCr), but might be coated with any of the cermet materials listed above for thin film resistors. We stock these Blower Motor Resistor brands for the Jaguar X Type: Genuine and Standard Motor Products. Tolerance is the precision of the resistor and it is given as a percentage. These resistors are cheap and reliable and stability is high. There are two basic kinds of capacitors, electrolytic and nonelectrolytic. Types of Resistor. carbon resistor: Carbon resistors are a cheap resistor used in electrical and electronic circuits. Average score for this quiz is 7 / 10. Resistors help restrict and impede a current flow. Resistor-Capacitor (RC) Filters. 2K 12K 120K 1. Heatsinkable designs and Tubular parts are used for higher wattages above 20 watts. A resistor is an electronic component which offers or implements electrical resistance. If not, maybe this article can help you out. For example: 12V-1. types include composition carbon, metal film, carbon film, metal glaze, and wire wound ; 8 resistor power ratings. The failure modes of variable resistors are substantially different because they have moving parts and are not as well sealed against the outside environment. Chassis Mount Resistor. The value of fixed resistor can't be varied like a variable resistor as its value is determined at the time of manufacturing itself. These resistors are used for their high voltage tolerance. Resistor Tutorial Summary. Variable Resistor a. these resistors do not obey the ohm. Ceramic Metal: These types of resistor are made by firing certain metals blended with ceramics on a ceramic substrate. Variable Resistor and How To Know If It Is Good Or Bad? it was a small crack of the CRT small board. Resistors help restrict and impede a current flow. To determine the exact range that the resistor may be, take the value of the resistor and multiply it by 5%, 10%, or 20%. About 10% of these are resistors, 1% are sensors. Group of 8 types of Ceramic Capacitor (each pack of 10) in one package. There are a variety of types of potentiometer that are available and there are a variety of different ways in which variable resistors or potentiometers can be classified. Resistors are identified with the help of color codes. Chip Resistor - Surface Mount; Resistor Networks, Arrays; Specialized Resistors; Through Hole Resistors. Resistor Color Code Information The resistor color code is a long standing standard in both the electronics and electrical industries, indicating the value of resistance of a resistor. This means that the electronic circuit itself has all of the required components placed directly onto it. Group 8 types of Ceramic Capacitor (each pack of 10) in one package. It consists of an N-type semiconductor and a P-type semiconductor that are placed together. We stock these Blower Motor Resistor brands for the Jaguar X Type: Genuine and Standard Motor Products. This is a thread I pulled from the old Ampage forum by R. Resistors Fixed Resistors. For example, if a 100 Ω resistor will have 3 V across it, you can calculate that 30 mA of current will flow through the resistor by dividing the voltage by the resistance (3 V ÷ 100 Ω = 0. To avoid a reduction in performance, resistor types should not be used interchangeably. Thermistors. for low cost and auction sites that can help you save cash. Types There are a lot of different capacitor types, all with their own applications, characteristics and conjuction. • Package Resistor These types of resistor is a resistor which contains a package which contains two or more resistors inside it It have many terminals and the resistor's resistance can be chosen by using any two terminals among the available terminals or can also be used as an resistor array for various purposes. Generally, composition resistors are two types, i. a resistor that might fail open or short, high or low). Analog Technologies, Inc. Resistor values are normally indicated using colored bands. Wirewound Resistors are available at Mouser Electronics from industry leading manufacturers. 4 Ohm Ballast Resistor - Ideal for Use with Electronic Ignition and High-Voltage Charging Systems. Types of Variable Resistors Potentiometer. We supply the widest range available for this type of resistor. A resistor is a passive element in a circuit which provides resistance to the flow of current. Carbon Film Resistors are most Common, Metal Film Resistors are more stable and accurate. Jews resisted Nazi oppression in a variety of ways, both collectively and as individuals. The more watts a resistor can handle, the larger and more expensive the resistor is. JRM can offer fixed and variable resistors, Hybrid Integrated Circuits, and various sensors. Fuses and Electrical Protection Symbols. For small to medium output: Wire wound resistors. Because of their constructional features these resistor are fully non - inductive. Terminal potential = EMF - IR internal. Types of resistor connection used in electronic circuits is one of the most important thing that must be known by anyone who works (repair design, build) with electronic circuits. Resistor body colors white and blue are used to mark non-flammable resistors and fusible resistors. Additionally, when the input is HIGH, the onboard LED attached to pin 13 will turn on; when LOW, the LED will turn off. Looking for ntc and ptc types of variable resistor ? Here you can find the latest products in different kinds of ntc and ptc types of variable resistor. The thermistor is an electrical resistor whose resistance is greatly reduced by heating,. Note the picture to the right is of a Chrysler ballast resistor not a thermistor. Note that only certain "standard" component values specified by Electronic Industries Association (EIA) and IEC publication 60063 may actually be available. A resistor is an electrical component with a known specific value of resistance. The output pin of an IC can be a Open Collector type (In case of MOSFET instead of transistor, it is called Open Drain). However, it does so in a variable voltage and frequency output by using various types of power devices, such as silicon-controlled rectifiers (SCRs) or insulated gate bipolar transistors (IGBTs). The failure modes of variable resistors are substantially different because they have moving parts and are not as well sealed against the outside environment. The symbol for a rheostat is a resistor symbol with an arrow diagonally across it. The greater the current through resistor RB2, the greater the regulation of the emitter base voltage VBE. Surface mount resistors have largely replaced the more traditional "through hole technology" method. Resistors are composed of conductors or semiconductors. Group 8 types of Ceramic Capacitor (each pack of 10) in one package. There are two types of resistors: linear resistor and non-linear resistor. The tolerance of a resistor is the difference between the preferred value (i. It monitors the state of a switch by establishing serial communication between your Arduino and your computer over USB. from 1k to 100k or from 1M to 100M. Type 3PG resistor banks are ideal slip resistors for small to medium slip-ring motors; with closed-loop thyristor control, such as AC10. First, use Ohm’s law to calculate the voltage across the resistor and the current that will pass through the resistor. Additional Information. Carbon-composition and carbon film resistors are too small to have the resistance value printed on their housings. For most standard circuits, you don't need to worry about the types of resistors you choose. a) Carbon composition type resistors b) Metalized type resistors c) Wire wound type resistors. A resistor is a little package of resistance: wire it into a circuit and you reduce the current by a precise amount. 2M 10W 25 KV 5% HIGH VOLTAGE RUSSIAN RESISTOR PERMANENT NON WIRE. A quiz about the resistor colour code, which should be simple enough for electricians, but not so easy for those without experience in this field. Fixed & variable resistor types. One or more resistors can be used to provide the correct amount of current to specific components within an electronic device. Leveraging on the bets of resources & experience, we offers products like Grid Type Neutral Grounding, Neutral Grounding Resistor, Neutral Earthing Resistor, Load Bank, Battery Discharge Resistors, Isolator Panels and much more that meet the specific requirements of our clients. In other words, when we vary the resistance of the variable resistor, the electric current flowing through it will increase or decrease. Resistor Thermal Noise - Another Dataforth Technical eNewsletter Noise in measurement and control systems is generally considered to be EMI, electromagnetic interference. Batteries store energy being produced by a given generating source, and when this source is unavailable this energy can be be used by the load. For example, a resistor with brown, green and green bands is rated at 15 mega-ohms (15,000,000 ohms). The best way to size a brake resistor is always based on your specific application. There are a number of different types of fixed resistor: Carbon composition: The carbon composition resistor is a type of resistor Carbon film: This type of resistor was introduced during he early days of transistor technology Metal oxide film resistor: This type of resistor is now the most. Wattage ratings are not typically labeled on these resistors. The long answer: LEDs are semiconductors, diodes in particular. Features & Capabilities: Neutral Earthing Resistors protect power transformers and generators from damaging fault currents. For power wirewound resistors, STOL can be two to 10 times the rated power for 5 or 10 sec. The fixed resistor type is the most common resistor, when people talk about a resistor they most probably mean a fixed resistor. A resistor is said to be a fixed resistor, if its value is fixed. Part Number:742C043103JP CTS Electronic Components Resistor Networks & Arrays, Stock Category:Available stock, Date Code:1639+, 742C043103JP PCB Footprint and Symbol, 742C043103JP Datasheet, Description:Resistor Networks & Arrays 10Kohms 50V 5%. A capacitor is a two terminal passive electrical component that can store electrical energy in an electrical field. Lower wattage parts come in SMD form, typically below 3 watts. The primary issue is that DC motors require a large, potentially damaging starting current which must be limited by the starter itself. Mouser is an authorized distributor for many wirewound resistor manufacturers including Arcol, Bourns, Honeywell, IRC, Ohmite, TE Connectivity, Vishay & many more. Power Resistor Elements Types. JRM can offer fixed and variable resistors, Hybrid Integrated Circuits, and various sensors. a) Carbon composition type resistors: This is the most common type of low wattage resistor. Above are the general types, here were are not going to discuss all type, but the most commonly used type: Wirewound, Carbon Composition, Thick Film, Wirewound Resistors In the beginning of electronic and electrical circuits history, resistor means Wirewound resistors, there were no other alternative as today. This type of sensors is used mostly in the human thermometers. The microfarad is one millionth of a farad (10-6 F), and the picofarad is one-millionth of a microfarad (10-12 F). The most common symptom of a failed blower motor resistor is when the heater fan only runs at the highest speed setting (4 or 5) and doesn't work at low speeds. In solid type the resistive elements is a mixture of grounded graphite, a non-conducting inert material. Carbon-composition and carbon film resistors are too small to have the resistance value printed on their housings. V series = V 1 + V 2 + V 3. Unwanted voltages and currents induced by external magnetic fields, electric fields, ground currents, etc fall into the category of "noise" and often cause serious errors in. The construction of a true ceramic resistor, often called a carbon composite resistor, is different from most other types, even though it also uses ceramics. The housing can also be painted in different colors. Depending on the application and stress, resistors are available as wire wound, steel grid or cast iron resistor versions. This is a photo of an FSR, specifically the Interlink 402 model. For example a 390Ω resistor with a tolerance of ±10% will have a value within 10% of 390Ω, between 390 - 39 = 351Ω and 390 + 39 = 429Ω (39 is 10% of 390). There are two types of resistors: linear resistor and non-linear resistor. The 120 ohm resistor has a value ranging between 110 and 130 ohms. Types of Variable Resistors Potentiometer. Resistor body colors white and blue are used to mark non-flammable resistors and fusible resistors. Some types of resistors are variable, letting you set their resistance by sliding a slider or turning a knob. Varistor. Today, the resistor types used are much smaller and offer much higher levels of performance. So, that's called an input voltage. As of Nov 01 19. Type: 4 Band Colour Code: Colour Code: Brown, Black, Green, Gold: Tolerance: Gold Band ±5%: Related Articles. The main application of resistors is current control or limiting. In this video, different types of resistors and different characteristics of resistors have been explained. Types and applications Thermistors are ceramic semiconductors. Heatsinkable designs and Tubular parts are used for higher wattages above 20 watts. There are different types of computer registers that vary in size, names and functions. If you're driving an older car, then chances are it's fitted with a coil-type resistor. Why the Resistor in 12V Conversions Posted on October 19, 2016 October 30, 2016 by Rick Weaver Would you please clarify the function of the resisters in the electrical system of a Ferguson system, specifically one that has been converted to 12 volts. The preset resistor can be turned up or down to increase or decrease resistance, in this way it can make the circuit more or less sensitive. The description of markings on the chip resistor are as shown below. Tarafdar Hagh, S. Depending on the application and stress, resistors are available as wire wound, steel grid or cast iron resistor versions. This type of equipment is highly recommended for systems with mission critical factors. Dropping Resistor Calculator (The Calculator is at the bottom of the page if you want to skip ahead) If you want to try to run something off of a higher recommended voltage their are several ways to do it. A thermistor is a type of resistor whose resistance strongly depends on temperature. Below that, I believe a metal film or metal oxide. What is resistor, Types of resistor, application of resistor. Resistor Types For a piece of conducting material to be made into a practical resistor, a pair of electrodes and leads are attached so that current can flow. Difficulty: Average. LED: Stands for "Light-Emitting Diode. The Carbon Resistor is low to a medium type power resistor. There are two basic types of resistors. Without that lens, the CD player can't read anything. a chip resistor marked with the standard 3 digit code and a short bar below the marking denotes a precision (1% or less) resistor with a value taken from the E24 series (these values are usually reserved for 5% resistors). Variable Resistors Potentiometer. Those stripes are in a code that will tell you the value of the resistors (in ohms). A Second Ground Fault Protection System (2GFP) is the most advanced and comprehensive technology in Neutral Grounding Resistor systems. Nissan and Subaru as well as Chevy and Ford are examples. There is a voltage drop for each resistor, but the sum of these voltage drops is 1. › Change Vehicle. Film Resistor is a general term referring to different types such as Carbon Film, Metal Film, and Metal Oxide Film resistors. In Lesson 4, we will explore the effect of the type of connection upon the overall current and resistance of the circuit. If you flip off a light switch, for example, you are breaking the circuit, and hence turning off the light. The resistive material is of carbon-clay composition and the leads are made of tinned copper. This type of filter is used in power supplies where the load current is constant and voltage regulation is not necessary. The third type of fixed resistor is wire wound, which are made of wire wound around a plastic or ceramic core. D ) changes. The resistor accounts for resistive current through the insulation and the capacitor accounts for capacitively coupled currents. Fixed resistors have a constant resistance value. A NEMA 90 continuous thermal rating would be standard for this class of control; for which stability of resistance is the essential property. Today, the resistor types used are much smaller and offer much higher levels of performance. MAR or memory address register is the type of computer register whish stores the memory addresses of different instructions and data. Images of electrical and electronic components to better relate the symbol to the actual image of the device. This new resistor (R3) is called a bridge. Resistor Types and Color Code. Why do you need a resistor with an LED? The short answer: to limit the current in the LED to a safe value. In some cars, a failed blower motor resistor can cause a heater fan to stop working completely. Here's what's important. Type 1 — Dorman’s line of TECHoice HVAC blower motor resistor connectors includes butt connectors and weather seal, where available. In this measurement technique, a predefined current is injected in the circuit under test and the induced magnetic current thereby produced in the circuit is noted at a several intervals. a potentiometers as the name suggests is used to vary the value of the resistor as required. Understanding the basics of them helps you to choose the capacitor for your application. a series resistor connected across a switch. There are many different types of resistors. For the circuit above we can only use Ohm's law for the resistor so we must use the fact that when the LED is on, there is a 1. Non linear resistors are those types of resistors where the electric current flowing through it changes with the exchange in applied voltage or temperature and does not change according to Ohm's law. Resistor Tutorial Summary. Pictures of Resistors. We should make sure that types of markings for all the types of resistors, caps, ICs, and everything else are thoroughly explained. What types of resistor instead should I be getting (digikey link would be appreciated)? Right now, I'm just working on a protoboard but eventually I would like to manufacture this prototype on a PCB using surface mount components. First let me say that this is the 3rd resistor for this truck. This is an electronic circuit simulator. Pacific Resistor has been manufacturing high quality wirewound resistors for Commercial and Military applications for over half a century. Either the package or the physical size of the resistor is an indication of the wattage. Or the Resistance or Current passed through the resistor does not changes as the applied voltage ( P.