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A potential difference of 220 V is maint...

A potential difference of 220 V is maintained across a 12000 ohm rheostat AB. The voltmeter V has a resistance of 6000 ohm and point C is at one fourth of the distance from A to B. What is the reading in the voltmeter ?

A

40 V

B

80 V

C

20 V

D

100 V

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The correct Answer is:
A
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