A moving coil galvanometer gives full scale defection when a current of 0.005 A is passed through its coil it is converted in to a voltmeter reading u
A moving coil galvanometer gives full scale defection when a current of 0.005 A is passed through its coil it is converted in to a voltmeter reading up to 5V by using an external resistance of 975 `Omega` what is the resistance of the galvanometer coil ?
A. `25 Omega`
B. `30 Omega`
C. `40 Omega`
D. `50 Omega`
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Correct Answer - A
`R=(V)/(I_g)-G`
`therefore G=(V)/(I_g)-R=(5)/(0.005)-975=25Omega`.
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