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Nov 28

resistor definition physics

Combination of more than one resistor is called equivalent resistor. A resistor is a type of passive component that restricts the flow of electric current to certain level. A resistor restricts or limits the flow of electrical current. Electricity. Resistor definition, a device designed to introduce resistance into an electric circuit. A light dependent resistor (also called an LDR) is a component whose resistance changes when the amount of light falling on it changes.The amount of light falling on a surface is called the light intensity.. A light dependent resistor has its own circuit symbol. Physics for Kids. The shunt resistor is mainly made of the material having the low-temperature coefficient of resistance. Resistance is a measure of the opposition to the flow of current in a resistor. There… It is connected in parallel with the ammeter whose range is to be extended. Definition of Resistor A resistor is a passive element in a circuit that provides resistance to the flow of current. i=i1=i2=i3 b. In this types of circuit, amount of currents passing through the resistors are equal and this current comes from the battery. In the example below the total resistance would be R1 + R2. Shunt Resistor Definition: A resistor having a very low value of resistance such type of resistor is called shunt resistance. Resistors in Series and Parallel. As the amount of light goes up the resistance Carbon Resistor Definition - Many of the materials like nichrome, brass, platinum, and tungsten, which are metal, and alloys are used to produce the resistance. We first look at the resistors in series; Resistors in Series a. Combination of Resistors Resistors can be combined in two ways; series and parallel. Resistors are mainly classified into two types: fixed resistors and variable resistors. But most of these metals have low electrical resistance compared to carbon resistors, as it makes it difficult to produce high resistance without making the resistor bulky. The following symbols show the different components that can be found in an electrical circuit. A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. The larger a resistor’s resistance, the greater the barrier against the flow of current. See more. Fixed resistor is a type of resistor that only restricts the flow of electric current but does not control (increase and decrease) the flow of electric current. Here is another example of a number of resistors in series. In order to find the total resistance of resistors in series you just add up the value of each resistor. Light Dependent Resistor.. What is a Light Dependent Resistor?.

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