A primary cell has an e.m.f. of 1.5 volts, when short-circuited it gives a current of 3 amperes.
Channel: Doubtnut
Date: 2020-08-30

A primary cell has an e.m.f. of 1.5 volts, when short-circuited it gives a current of 3 amperes. The internal resistance of the cell is