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A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane in the space containing magnetic induction B=4×10⁻⁵ T. The work done in rotating the magnet slowly from a direction parallel to the field to a direction 45⁰ from the field, is (in joule)
Options
(a) 0
(b) 0.2
(c) 0.03
(d) 0.02
Correct Answer:
0.03
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If v is the speed of sound in air, then the shortest length of the closed pipe
- In a vessel, the gas is at a pressure P. If the mass of all the molecules
- The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
- Two parallel metal plates having charges +Q and -Q face each other at a certain
- A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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