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#### Question

Draw a neat and labelled diagram of suspended coil type moving coil galvanometer.

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A galvanometer of resistance *G* is converted into a voltmeter to measure upto *V* volts by connecting a resistance *R*_{1} in series with the coil. If a resistance *R*_{2} is connected in series with it, then it can measures upto *V*/2 volts. Find the resistance, in terms of *R*_{1} and *R*_{2}, required to be connected to convert it into a voltmeter that can read upto 2 V. Also find the resistance *G* of the galvanometer in terms of *R*_{1} and *R*_{2}

A circular coil of 250 turns and diameter 18 cm carries a current of 12A. What is the magnitude of magnetic moment associated with the coil?

Draw a labelled diagram of a moving coil galvanometer. Describe briefly its principle and working.

Show that the current flowing through a moving coil galvanometer is directly proportional to the angle of deflection of coil.

An ideal voltmeter has _______.

(A) low resistance

(b) high resistance

(C) infinite resistance

(D) zero resistance