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Question

A DC voltmeter has a sensitivity of 1000Ω/volt. When it measures half of full scale in 100 V range, the current though the voltmeter is

A
100mA
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B
1mA
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C
0.5mA
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D
50mA
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Solution

The correct option is C 0.5mA
S=1Ifsd

Ifsd=11kΩ/V=1mA

For half scale,

Ihsd=0.5mA

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