If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Current Electricity — quick quiz

5 real JEE Main questions on Current Electricity. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

A potentiometer wire of length 10 m and resistance 20 Ω is connected to a battery of emf 4 V and negligible internal resistance. What is the potential gradient (in mV/cm) along the wire?