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In a potentiometer wire, whose resistanc...

In a potentiometer wire, whose resistance in `0.5 ohm//m`, a current of 2 amp is passing. The value of potential grandient in volt/m will be

A

`0.1`

B

`0.5`

C

`1.0`

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
`x=(iR)/l=2xx0.5=1 V//m`
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RESONANCE-CURRENT ELECTRICITY-Exercise
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  7. The potential gradient of potentiometer is 0.2 "volt"//m. A current of...

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  8. The emf of a standard cell is 1.5 volt and its balancing length is 7.5...

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  9. The resistance of a galvanometer coil is R. What is the shunt resistan...

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