Question

what are the two perpendicular magnetic fields acting on the magnetic needle of tangent galvanometer​

Answer 1

Answer:

Theory of Tangent Galvanometer: When the plane of the coil is placed parallel to the horizontal component of Earth's magnetic induction (Bh) and a current is passed through the coil, there will be two magnetic fields acting perpendicular to each other: (1) the magnetic induction (B) due to the current in the coil

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Answer 2

Answer:

Now there are two fields which are acting mutually perpendicular to each other. They are: (1) the magnetic field (B) due to the electric current in the coil acting normal to the plane of the coil.

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