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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
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
- The threshold wavelength for photoelectric emission from a material is 4800 Å.
- The escape velocity from the earth is Ve. The escape velocity from a planet
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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