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A 10 m long wire ofresistance 20 Omega i...

A 10 m long wire ofresistance `20 Omega` is connected in series with battery of EMF `3V` and negligible internal resistance and a resistance of `10 Omega`. The potential gradient along the wire is :

A

0.02 V/m

B

0.1 V/m

C

0.2 V/m

D

1.2 V/m

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The correct Answer is:
A,D
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