Numerical -Series resistance for given voltmeter range

Q.  A permanent magnet moving coil gives full scale deflection at 40 mV potential difference and 8 mA current. What will be the required series resistance when it is used as voltmeter of range 0 – 200 V?
- Published on 04 Nov 15

a. 19556 ohm
b. 20163 ohm
c. 23884 ohm
d. 24995 ohm

ANSWER: 24995 ohm

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