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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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- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the disc rotates with uniform angulr velocity.Which of the following is not true?
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- A wire in the form of a circular loop of one turn, carrying a current, produces
- The escape velocity of a body on an imaginary planet which is thrice the radius
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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