Question

Q) explain the significance of a radial magnetic field when a current carrying coil is kept in it ​

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

The radial magnetic field is always parallel to the plane of the coil of the galvanometer, and provides constant torque irrespective of the rotation of the coil. This makes the deflection directly proportional to the current, and facilitates easy calibration of the galvanometer scale.