Physics, asked by tanishkashanker20, 8 months ago

A potentiometer is used for the comparison of emf of two cells E1 and E2 for cell E1 the no deflection point is obtained at 20 cm and for E2 the no deflection point is obtained at 30 cm the ratio of their emf's will be

Answers

Answered by shantinautiyal199

0

Answer:

25

Explanation:

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