The coil of a moving coil galvanometer is wound over a metal frame in order to

Q. The coil of a moving coil galvanometer is wound over a metal frame in order to
(i) reduce hysteresis
(ii) increase sensitivity
(iii) increase moment of inertia
(iv) provide electromagnetic damping

Answer: (iv) provide electromagnetic damping

The coil of a moving coil galvanometer is wound over metallic frame to provide electromagnetic damping so it becomes dead beat galvanometer.

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