The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a c

The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4)` amperes. The resistance in ohms to be added to it, so that it may become a voltmeter of range `2.5` volts is
A. 150
B. 170
C. 110
D. 220

The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4

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