A 200 ohm resistor,a voltmeter and a 2.0V cell of negligible resistance connected in series.The voltmeter reads 1.0V.Find the resistance of the voltmeter and the current in the circuit.
Ans 200 ohm,5*10^-3 A.
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Dear Student,let the resistance of the voltmater be Rlet the current be i1=iRfrom kirchoff law2=200i+1i=1200=5  mA1=R200R=200 ohm Regards

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