Edtays8010 Edtays8010

29-12-2023
Physics

contestada

A galvanometer of resistance 25Ω gives full scale deflection for a current of 10 milliampere , is to be changed into a voltmeter of range 100 V by connecting a resistance of ‘ R ’ in series with galvanometer. The value of resistance R in Ω is

A. 10000
B. 10025
C. 975
D. 9975

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