Question

Q. 25 When two cells of emf's E,& E, are connected in series so as to assist each other their balancing length on a potentiometer is found to be 2.7m. When the cells are connected in series so as to oppose each other, the balancing length is found to be 0.3m. Compare the emf's of the two cells.



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Answer 1

Answer:

ans is

Explanation:

this question is of which class

Answer 2

Answer:

I really don't know the answer

Explanation:

but I don't mind I will help u