A galvanometer coil has a resistance and full scale deflection current 10 mA
PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
A galvanometer coil has a resistance 90Ω and full scale deflection current 10 mA. A 910Ω resistance is connected in series with the galvanometer to make a voltmeter. If the least count of the voltmeter is 0.1 V, the number of divisions on its scale is
(a) 90
(b) 91
(c) 100
(d) None