Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Physics Current, Resistance and Electricity Potentiometer
A potentiometer wire is supplied a constant voltage of 3 V. A cell of emf 1.08 V is balanced by the voltage drop across 216 cm of the wire. The total length of the potentiometer wire is -
1
200 cm
2
400 cm
3
600 cm
4
800 cm
5
Question Not Attempted