A galvanometer of resistance is converted into a voltmeter of range by connecting a…
PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism
Problem
A galvanometer of resistance G is converted into a voltmeter of range 0−1V by connecting a resistance R1 in series with it. The additional resistance that should be connected in series with R1 to increase the range of the voltmeter to 0−2V will be :
(1) G
(2) R1
(3) R1−G
(4) R1+G