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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
- A series L-C-R circuit contains inductance 5 mH, capacitance 2 μF and resistance
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
- In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second
- The surface tension of a liquid is 5 newton per metre. If a film
- A solid which is transparent to visible light and whose conductivity increases
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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