A tangent galvanometer has a coil with 50 turns and radius equal to 4 cm. A current of 0.1 A is passing through it. The plane of the coil is set parallel to the earth's magnetic meridian. If the value of the earth's horizontal component of the magnetic field is 
tesla and 
weber /amp 
, then the deflection in the galvanometer needle will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For tangent galvanometer 
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