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A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions per second, in a uniform magnetic field of 0.1 tesla with its plane perpendicular to the field. The e.m.f. induced across the radius of the disc is
Options
(a) πx10⁻¹ volt
(b) πx10⁻¹² volt
(c) 2πx10⁻¹ volt
(d) 2πx10⁻² volt
Correct Answer:
πx10⁻¹² volt
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
- The kinetic energy needed to project a body of mass m from the surface of earth
- An ideal gas is compressed to half its initial volume by means of several processes.
- Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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