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In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes from 2 A to 4 A. The value of coefficient of self induction of the coil is
Options
(a) 10.8 H
(b) 0.4 H
(c) 0.2 H
(d) 0.1 H
Correct Answer:
0.2 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 missile is fired for maximum range with an initial velocity of 20 m/s
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
- A long straight wire of radius a carries a steady current I. The current is uniformly
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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