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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.
Related Questions: - A particle in simple harmonic motion is described by the displacement function
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
- A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle in simple harmonic motion is described by the displacement function
- If two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
- A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
- The two ends of a metal rod are maintained at temperatures 100°C and 110°C.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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