The magnetic needle of a tangent galvanometer is deflected at an angle 30 o due to a magnet. The horizontal component of earth’s magnetic field 0.34 × × 10 –4 T is along the plane of the coil. The magnetic intensity is
Text Solution
Verified by ExpertsThe correct answer is:
B
Angle through which magnet is deflected 
and horizontal magnetic field 
.
Magnetic intensity 
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