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A galvanometer has a coil of resistance 100 2 and gives full scale deflection for...

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A galvanometer has a coil of resistance 100 2 and gives full scale deflection for 30 mA current If it is to work as a voltmeter of 30 V the resistance UK PMT 2014 required to be added is a 500 Q c 1000 Q b 900 d 1800 2204009

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