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When a magnet is taken towards a coil, the induced e.m.f. depends on
Options
(a) the number of turns in the coil
(b) the speed of the magnet
(c) the resistance of the coil
(d) the magnetic moment of the magnet
Correct Answer:
the speed of the magnet
Explanation:
Induced e.m.f. depends on rate of change of flux linked with a coil. This, is turn, depend on the speed of the magnet taken towards the coil.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sand is being dropped on a conveyor belt at the rate of M kg/s. The force necessary
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- Unit of electrical conductivity is
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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