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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
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
- A comb run through one’s dry hair attracts small bits of paper. This is due to
- Which of the following quantities has units but not dimensions
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A sound source is moving towards a stationary listener with 1/10th of the speed
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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