Numerical- Working current for given parameters of slide wire potentiometer

Q.  In a slide wire potentiometer, for a voltage source of 1.012 V the jockey is kept at 101.2 cm. If the potentiometer has 20 wires of 1 m each and the resistance of wires is 800 ohm, then the value of the working current is
- Published on 05 Nov 15

a. 15 mA
b. 20 mA
c. 25 mA
d. 27 mA

ANSWER: 25 mA

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