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A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary and secondary winding is 1:25. The primary current is
Options
(a) 12.5 A
(b) 50 A
(c) 8.8 A
(d) 25 A
Correct Answer:
50 A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the wavelength of incident light falling on a photosensitive material decreases,
- A block of mass M is attached to the lower end of a vertical spring
- The vector sum of two forces is perpendicular to their vector difference. In that case,
- A metal rod of length l cuts across a uniform magnetic field B with a velocity v.
- What is the amount of energy released by deuterium and tritium fusion?
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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