Draw a labelled diagram of a moving coil galvanometer. Prove that in a radial magnetic field, the deflection of the coil is directly proportional to the current flowing in the coil
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Explanation:
Moving coil galvanometer: A galvanometer is used to detect current in circuit.
Construction: It consists of a rectanglular coil wound on a non-conducting metallic frame and is suspended by phosphor brone strip between the pole-pieces (N and S) of a strong permanent magnet.
A soft iron core in cylindrical form is placed between the coil.
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