1.

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»

Answer is (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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