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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
- If v is the speed of sound in air, then the shortest length of the closed pipe
- Suppose for some reasons, radius of earth were to shrink by 1% of present value,
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- A charge of 40 µC is given to a capacitor having capacitance C=10 µF
- A radioactive substance contains 10000 nuclei and its halflife period is 20 days
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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