CBSE Class 12 Physics 2014 Delhi Set 2 Paper

Question : 8 of 8

Marks: +1, -0

A potentiometer wire of length

1.0 {\m}

has a resistance of

15 Ω

. It is connected to a

5 {\V}

battery in series with a resistance of

5 Ω

. Determine the emf of the primary cell which gives a balance point at

60 {\cm}

Solution:

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