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The specific resistance and area of cros...

The specific resistance and area of cross section of the potentiometer wire are `rho'` and `A` respectively. If a current `i` passes through the wire, its potential gradient will be

A

`(irho)/(A)`

B

`(i)/(rhoA)`

C

`(iA)/(rho)`

D

`iArho`

Text Solution

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The correct Answer is:
A
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