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A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane. The magnetic field changes from 2 tesla to 1 tesla in 1 milli second. If the resistance of the circuit is 2 Ω. The amount of heat evolved is
Options
(a) 5 J
(b) 50 J
(c) 0.05 J
(d) 0.5 J
Correct Answer:
50 J
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two identical cells of the same e.m.f. and same internal resistance
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- Imagine a light planet revolving around a very massive star in a circular
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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