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The plane of the coild of tangent galvan...

The plane of the coild of tangent galvanometer is parallel to the magnetic meridian

A

to avoid the influence of earth's magnetic field.

B

to increase the magnetic field due to the current in the coil.

C

to make earth's magnetic field perpendicular to that due to the current in the coil.

D

for some other reason.

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Before using tangent galvanometer for the measurement of current, why is the plane of coil of tangent galvanometer set in the magnetic meridian?

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NARAYNA-MOVING CHARGES AND MAGNETISM-C.U.Q-KEY
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