JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 16
question_answer
The resistance of an 8 m long potentiometer wire is 80 A high resistance box and a 2 V battery are connected in series with it. What should be the value of the resistance (in Q.) in the box, if potentiometer wire is desired to have a potential drop of \[1\,\mu V/mm\]?