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An electric motor runs on DC source of emf 200 V and draws a current of 10 A. If the efficiency be 40%, then the resistance of armature is
Options
(a) 2Ω
(b) 8Ω
(c) 12Ω
(d) 16Ω
Correct Answer:
12Ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
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- The S.I. unit of electric flux is
- In the middle of the depletion layer of a reverse-biased P-N junction, the
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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