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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
- A ray of light is incident at an angle of incidence i, on one face of a prism
- Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
- If ∆U and ∆W represent the increase in internal energy and work done by the system
- Which radiations are used in tratement of muscles ache?
- The mean free path of molecules of a gas,(radius ‘r’) is inversely proportional to
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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