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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
- The potential difference applied to an X-ray tube is 5 kV and the current through it
- A particle moves a distance x in time t according to equation x = (t + 5)⁻¹
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- A car moving with a velocity of 36 km/hr crosses a siren of frequency 500 Hz.
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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