MHT CET 2026 Physics question
By connecting a resistance of in series with a galvanometer, it is converted into a voltmeter of a certain range. When the resistance of is connected in series, the range is halved. The resistance of the galvanometer is
Answer: (B)
Solution
A galvanometer of resistance and full-scale current becomes a voltmeter of range when a resistance is put in series. First case: . Second case: , and the range is halved, so . Hence $G + 980 = 2(G
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