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The self induced e.m.f. in a 0.1 H coil when the current in it is changing at the rate of 200 amp/sec is
Options
(a) 8×10⁻⁴ V
(b) 8×10⁻⁵ V
(c) 20 V
(d) 125 V
Correct Answer:
20 V
Explanation:
e = – L (dI / dt), Magnitude of e = L (dI / dt) = 0.1 × 200 = 20 V
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- Which one of the following is not due to total internal reflection?
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The speed of electromagnetic waves in vaccum is equal to
- Which one of the following is not due to total internal reflection?
- A body A experiences perfectly elastic collision with a stationary body B
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- Two identical flutes produce fundamental notes of frequency 300 Hz at 27° C
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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