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Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100 V. The self inductance of the coil is
Options
(a) 0.25 H
(b) 0.4 H
(c) 2.5 H
(d) 4 H
Correct Answer:
2.5 H
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 body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- An electromagnetic wave of frequency v = 3.0 MHz passes from vacuum into
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- For photoelectric emission from certain metal the cut-off frequency is v
- A current of 2A flows through a 2Ω resistor when connected across a battery
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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