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An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed from 10 A in one direction to 10A in opposite direction in 0.5 sec. Self inductance of the coil is
Options
(a) 50 mH
(b) 25 mH
(c) 100 mH
(d) 75 mH
Correct Answer:
25 mH
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
- If by mistake voltmeter is connected in series and ammeter in parallel then
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- If a small sphere is let fall vertically in a large quantity of still liquid of density
- A uniform chain of length L and mass m is kept on a smooth table. It is released
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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