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Q. What is the importance of radial magnetic in moving coil galvanometer ?

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Answer 1

Answer:

here is your answer ⤵️

➡️ The radial magnetic field used in the moving coil of a galvanometer results in maximum torque on the coil in presence of current.

➡️ Since, the field is always perpendicular to the area of the coil. If the field is not radial then the deflection of the coil in presence of current will be non-uniform resulting in incorrect calibration.

➡️ In a non-radial field torque will be max. when the field is perpendicular and will be minimum when the field is parallel to the coil.

➡️ So, while getting deflected in presence of a current the coil will experience sudden high or low in torque due to the varying magnetic field.

hope it help ✌️

Answer 2

Answer:

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.

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