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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 radiotransmitter radiates 1 kW power at a wavelength 198.6 m. How many photons
- To demonstrate the phenomenon of interference, we require two sources which emit
- The initial rate of increase of current, when a battery of emf 6 V is connected
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- A particle doing SHM has amplitude=4 cm and time period = 12 sec. The ratio between times
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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