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Figure 6.51 shows a simple a potentiomet...

Figure `6.51` shows a simple a potentiometer circuit for measuring a small emf produced by a thermocouple.

The meter wire `PQ` has a resistance of `5 Omega`, and the driver cell has an emf of `2.00 V`. If a balance point is obtained `0.600 m` along `PQ` when measuring an emf of `6.00 mV`,
what is the value of resistance `R`?

A

`995 Omega`

B

`1995 Omega`

C

`2995 Omega`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
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