What is variable resistance?
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➡Variable Resistance: The component of an electric circuit which is used to regulate the current; without changing the voltage from the source; is called variable resistance. Rheostat: This is a device which is used in a circuit to provide variable resistance......
➡A variable resistor is a resistor of which the electric resistance value can be adjusted. A variable resistor is in essence an electro-mechanical transducer and normally works by sliding a contact (wiper) over a resistive element....
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The component of an electric circuit which is used to regulate the current , without changing the voltage from the source , is called Variable Resistance.
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