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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
- The Bohr model of atoms
- If force(F),length(L) and time(T) be considered fundamental units, then the units of mass
- A small part of the rim of a fly wheel breaks off while it is rotating at a constant
- A spring of spring constant 5 x 10³ N/m is stretched initially by 5 cm
- Two cars A and B moving with same speed of 45 km/hr along same direction.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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