A bar magnet of length 10 cm and having the pole strength equal to 10^{-3} W is kept in a magnetic field having magnetic induction (B) equal to 4\pi\times10^{-3} T. It makes an angle of 30^\circ with the direction of magnetic induction. The value of the torque acting on the magnet is

Correct Answer is : 2π×10−7 N.m

AP EAMCET Engineering 22 Sep 2020 Shift 2 Paper

Section: Physics

Question : 84 of 160

Marks: +1, -0

A bar magnet of length 10 cm and having the pole strength equal to 10−3 W is kept in a magnetic field having magnetic induction (B) equal to 4π×10−3 T. It makes an angle of 30° with the direction of magnetic induction. The value of the torque acting on the magnet is

2π×10−7 N.m
2π×10−5 N.m
0.5 N.m
0.5×102 N.m

Validate

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