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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 the half-life of a material is 10 yr, then in what time, it becomes 1/4th part
- In the diffraction pattern of a single slit
- A bar magnet has a coercivity of 4×10³ Am⁻¹. It is placed inside a solenoid
- If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit
- Dimensions formula for surface tension is
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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