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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.
Related Questions: - The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
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- When a ceiling fan is switched off its angular velocity reduces to 50% while
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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
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
- Magnetism of a magnet is due to
- When a ceiling fan is switched off its angular velocity reduces to 50% while
- Charge density for intrinsic semiconductor will be
- The horizontal and vertical components of earth’s magnetic field at a place
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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