1.

A galvanometer having a resistance of 20 Ω and 30 divisions on both sides has figure of merit 0.005 ampere/division. The resistance that should be connected in series such that it can be used as a voltmeter up to 15 volt is

A. 100 Ω
B. 125 Ω
C. 120 Ω
D. 80 Ω
Answer» E.


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