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A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT with its plane perpendicular to the field. The area of the coil is shrinking at a constant rate of 0.5 m²s⁻¹.The emf induced in the coil is
Options
(a) 10mV
(b) 20 mV
(c) 80 mV
(d) 40 mV
Correct Answer:
20 mV
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 S.I. unit of radioactivity is
- An ideal gas is compressed to half its initial volume by means of several processes.
- A solid sphere, a hollow sphere and a ring are released from top of an inclined
- The self-inductance of a coil having 500 turns is 50mH. The magnetic flux
- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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