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A 2 V battery, a 990Omega resistor and a...

A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omega`, then the potential gradient of the potentiometer wire is

A

`0.05Vm^(-1)`

B

`0.5Vm^(-1)`

C

`0.01Vm^(-1)`

D

`0.1Vm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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DC PANDEY ENGLISH-CURRENT ELECTRICITY-Taking it together
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  8. A 100 V voltmeter of internal resistance 20 k Omega in series with a h...

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  12. For a cell of e.m.f. 2 V , a balance is obtained for 50 cm of the po...

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  13. AB is a potentiometer wire of length 100 cm and its resistance is 10Om...

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  14. Equivalent resistance between the points A and B (in Omega) .

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  15. In the circuit shown here, what is the value of the unknown resistor R...

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  16. Two wire of the same meta have same length, but their cross-sections a...

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  17. The masses of the three wires of copper are in the ratio 5:3:1 and the...

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