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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.
Related Questions: - Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- Curie is the unit of
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
- The maximum wavelength of radiations emitted at 900K is 4 µm. What will be the maximum
- A compass needle which is allowed to move in a horizontal plane
Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- Curie is the unit of
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
- The maximum wavelength of radiations emitted at 900K is 4 µm. What will be the maximum
- A compass needle which is allowed to move in a horizontal plane
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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