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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 10 micro farad capacitor is charged to 500 V and then its plates are joined
- Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart
- Two coherent monochromatic beams of intensities I and 4I respectively, are superposed.
- The maximum and minimum intensities of two sources is 4:1. The ratio of amplitude is
- The reddish appearance of the sun at sunrise and sunset is due to
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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