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A 10 m long wire of resistance 15 ohm is...

A 10 m long wire of resistance 15 ohm is connectd in series with a battery of emf 2V (no internal resistance) and a resistance of 5 ohm. The potential gradient along the wire is

A

`0.1 Vm^(-1)`

B

`0.45V m^(-1)`

C

`1.5Vm^(-1)`

D

`4.5Vm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Potential gradient = `E/(r + R + R_(S)) xx R/L_(P)`
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