Electrical Engineering > GATE 2019 > Electrical Instruments
A moving coil instrument having a resistance of 10 , gives a full-scale deflection when the current is 10 mA. What should be the value of the series resistance, so that it can be used as a voltmeter for measuring potential difference up to 100 V?
A
9 Ω
B
99 Ω
C
990 Ω
D
9990 Ω

Correct : d

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