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In the given potentiometer circuit, the ...

In the given potentiometer circuit, the resistance of the potentiometer wire `AB` is `R_(0). C` is a cell of internal resistandce `r`. The galvanometer `G` does not give zero following cannot be a reason for this ?

A

`rgtR_(0)`

B

`Rgt gtR_(0)`

C

emf of `C`gtemf of `D`

D

The negative terminal of `C` connected to `A`.

Text Solution

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The correct Answer is:
A
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