Question

In a potentiometer experiment two cells
of e.m.f. E, and E, are used in series and
in conjunction and the balancing length
is found to be 58 cm of the wire. If the
polarity of E, is reversed, then the bal-
ancing length becomes 29 cm. The ratio
E
of the emfs of the two cells is
E2​

Answer 1

Answer:

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Explanation:

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