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The pole strength of a bar magnet is 48A...

The pole strength of a bar magnet is 48A-m and the distance between its poles is 25 cm . The torque by which it can be held at an angle of `30^(@)` with the uniform magnetic field of strength 0.15 `Wb//m^(2)` , will be

A

0.90 N-m

B

1.80 N-m

C

2.70 N-m

D

3.6 N-m

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The correct Answer is:
A
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AAKASH INSTITUTE-MAGNETISM AND MATTER -Assignment Section - B Objective Type Questions (One option is correct)
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  16. Point out the best representation of relation between magnetic suscep...

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  18. Which of the following equations indicates that magnetic monopole does...

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