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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 thermo e.m.f. E in volts of a certain thermocouple is found to vary
- The focal length of the objective of a terrestrial telescope is 80 cm
- The magnifying power of the astronomical telescope for normal adjustment is 50.
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- The device can act as a complete electronic circuit is
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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