Question

Define a Potentiometer. Describe how a potentiometer is used to compare the emfs

of two cells by combination method. When two cells of emfs 1 and2 are connected in

series so as to assist each other, their balancing length on a potentiometer is found to be

2.7 m. When the cells are connected in series so as to oppose each other, the balancing

length is found to be 0.3 m. Compare the emfs of the two cells.​

Answer 1

Explanation:

do you play free fire jslsl