The resistance of a dc galvanometer is 20 Ω.
A current of 10 mA causes full scale deflection.
To convert it into 0-300 V voltmeter, we have to use a series resistance of
A. 30000 Ω
B. 29980 Ω
C. 6000 Ω
D. 15 Ω
Share your understanding of this question with the correct explanation.