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Last Updated On 01-06-2023 - By Jeesha Sara

The circuit shown here is used to compare the emf of two cells and .

The null point is at  when the galvanometer is connected to . when the galvanometer is connected to , the null point will  be

a)

To the left of

b)

To the right of

c)

At  itself

d)

None where on


Question ID - 150286 :-

The circuit shown here is used to compare the emf of two cells and .

The null point is at  when the galvanometer is connected to . when the galvanometer is connected to , the null point will  be

a)

To the left of

b)

To the right of

c)

At  itself

d)

None where on

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

. As, , therefore . Therefore the null point for thr cell of emf must be at shorter length than that of cell Thus null point on potentiometer wire should shift towards left of .



Next Question :

A cell of constant emf first connected to a resistance and then connected to a resistance .

a)

b)

c)

d)


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