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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
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- When a light beam of frequency v is incident on a metal surface,
- A spherical planet has a mass Mp and diameter Dp. A particle of mass
- A particle of mass 100g tied to a string is rotated along a circle of radius 0.5 m
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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