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In the givenn figure AB is a potentiomet...

In the givenn figure AB is a potentiometer wire of length 10 m and resistance `1Omega` with key K open the balancing length is 5.5 m. however on closing key K the balancing length reduces to 5m. The initial resistance of the cell `E_(1)` is

A

`0.01Omega`

B

`0.1Omega`

C

`0.2Omega`

D

`1Omega`

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The correct Answer is:
B
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