Question

A potentiometer wire has length 5 m and resistance 100 Ω. A rheostat of range (100 Ω – 1 kΩ) and accumulator of emf 20 V is connected with potentiometer wire. The maximum potential gradient possible in the wire is V/m V/m 4 V/m 2 V/m

Answer 1

Answer:

The answer is - 2 V/M

Explanation given down