Question

13.A galvanometer has a resistance of 20 ohms and a full scale
deflection when a current of 0.001 ampere flows in it. What is
value of the series resistance to convert it into a voltmeter of
range 10 volts?
A. 7780 ohms
B. 9980 ohms
C. 5580 ohms
D. 4480 ohms
E. 3380 ohms
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Answer 1

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