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(a) Draw the labeled diagram of moving coil galvanometer. Prove that in a radial magnetic field, the deflection of the coil is directly proportional to the current flowing in the coil. (b) A galvanometer can be converted into a voltmeter to measure up to (i) V volts by connecting a resistance R1 in series with coil. (ii) V / 2 volt by connecting a resistance R2 in series with its coil. Find the resistance (R), in terms of R1 and R2 required to convert it into a voltmeter that can read up to 2V volt

Asked by Rahul agarwal 9th September 2013, 6:16 PM
Answered by Expert
Pls post one query at a time.
Answered by Expert 10th September 2013, 5:46 PM
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