Mht Cet
Current Electricity
MHT CET 2020 16th October Morning Shift
MCQ+1 / -02020
A potentiometer wire is \(4 \mathrm{~m}\) long and potential difference of \(3 \mathrm{~V}\) is maintained between the ends. The emf of the cell, which balances against a length of \(100 \mathrm{~cm}\) of the potentiometer wire is