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A simple potentiometer circuit is shown...

A simple potentiometer circuit is shown in figure. The internal resistance of 4V battery is negligible. AC is he uniform wire of length 100 cm and resistance `2 Omega` .What would be the length of AB for which galvanometer shows zero deflection.

A

82.5 cm

B

`41.50 cm`

C

165 cm

D

50 cm

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AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-Try Yourself
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