Teaching HTET PGT Level 3 - 2024 Mock Test Physics Current, Resistance and Electricity Potentiometer
When the EMF of two cells is compared in a potentiometer experiment, the ratio of balancing length is obtained as 2 ∶ 5. If one of the cells has an EMF of 1.2 V, the other cell's EMF is ______.
1
4.5 V (or) 6.0 V
2
0.3 V (or) 2.4 V
3
3.0 V (or) 6.0 V
4
0.48 V (or) 3.0 V