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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
- An electric bulb has a rated power of 50W at 100 V. if it used on an a.c. source
- White light reflected from a soap film (Refractive Index =1.5) has a maxima
- A body is moving in a vertical circle. The string must remain taut at the highest point
- In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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