A potentiometer wire of length 1m and re...

A potentiometer wire of length 1m and resistance `10Omega` is connected in series with a cell of e.m.f 2volt with internal resistance `1Omega` and a resistance box including a resistance R. If the potential difference between the ends of the wire is 1mV, then the value of R will be

A

`9989Omega`

B

`10000Omega`

C

`19989Omega`

D

`20000Omega`

Text Solution

Verified by Experts

The correct Answer is:

C

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