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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
- Changing magnetic fields can set up current loops in nearby metal bodies
- How much work is required to carry a 6 μC charge from the negative terminal
- A body starts from rest, what is the ratio of the distance travelled by the body
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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