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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
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- Rate of photoelectric emission is proportional to
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
- If |A x B|= √3 A.B , then the value of |A + B| is
- A proton and an alpha particle both enter a region of uniform magnetic field B,
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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