AN ideal battery of 4 V and resistance R are connected in series in the primary circuit of a
Channel: Doubtnut
Date: 2020-01-03

AN ideal battery of 4 V and resistance R are connected in series in the primary circuit of a notentiometer of length 1 m and the value of R, to give a differeence of 56mV across 10 cm of notentiometer wire , is :