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Before using tangent galvanometer for th...

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

A

to avoid the magnetic effect of the earth's field

B

to produce intense magnetic field at the centre of the coil

C

to produce a field at right angle to the earth's field

D

to avoid error due to parallax

Text Solution

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The correct Answer is:
C
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