Question

The driving, cell of a potentiometer has an emf
of 4V and negligible internal resistance. The
potentiometer wire has a length of 300 cm and
a resistance of 3 ohm. What resistance must be
connected in series with the wire so as to have
a potential difference of 5 milivolt across the
whole wire ?


a)2400 ohm
b)2377 ohm
c)2397 ohm
d)1991 ohm

Answer 1

Answer:

I think option c is correct.

Explanation:

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