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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 spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
- In an ammeter, 0.2% of main current passes through the galvanometer
- Two 220V – 100W bulbs are connected first in series and then in parallel.
- A photocell employs photoelectric effect to convert
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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