Explain why eddy currents are useful in a moving coil galvanometer. 

Explain why eddy currents are useful in a moving coil galvanometer. 

Eddy current are induced in the core when the coil moves in magnetic field.

In a moving coil galvanometer, the eddy current damp the oscillations of the coil. This makes the pointer to settle at a point quickly. It is desirable for quick and accurate reading of the value.

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