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A 2 volt battery, a 15 Omega resistor an...

A 2 volt battery, a `15 Omega` resistor and a potentiometer of `100 cm` length, all are connected in series. If the resistance resistance of potentiometer wire is `5 Omega`, then the potential gradient of the potentiometer wire is

A

`0.005 V//cm`

B

`0.05 V//cm`

C

`0.02V//cm`

D

`0.2V//cm`

Text Solution

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The correct Answer is:
A
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