Question

When two cells of emfs. ε 1 and ε 2

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:

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