Questions
A small bar magnet of moment M is placed in a uniform field B. If magnet makes an angle of with field, the torque acting on the magnet is
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Correct option is B
τ= MB sinθ = MBsin30o =MB2Similar Questions
The magnetic needle of a tangent galvanometer is deflected at an angle .The horizontal component of earth's magnetic field is along the plane of the coil. The magnetic induction produced by the coil at its center is
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