Question

theory and working of galvanometer

Answer 1

Principle. Torque acts on a current carrying coil suspended in the uniform magnetic field. ... Hence, the deflection in the coil of a moving coil galvanometer is directly proportional to the current flowing in the coil.Moving coil galvanometer is an electromagnetic device that can measure small values of current. It consists of permanent horseshoe magnets, coil, soft iron core, pivoted spring, non-metallic frame, scale and pointer.

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