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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

B

0.3

C

0.2

D

1.3

Text Solution

Verified by Experts

The correct Answer is:
C
`l = 3/(20 + 10) = 3/30 =1/10 A`
`V/L = (1/10 xx 20) xx 1/10`
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