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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
- In an inductor when current changes from 2 A to 18 A in 0.05 sec, the e.m.f. induced
- Transformer is used to
- A boy playing on the roof of a 10m high building throws a ball with a speed
- Under the action of a force F=cx, the position of a body changes from 0 to x.The work done
- A point source emits sound equally in all directions in a non-absorbing medium.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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