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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.
Related Questions: - At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
- A block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
- A block is moving up an inclined plane of inclination 60° with velocity of 20 ms⁻¹
- A lead bullet of 10 gm travelling at 300 m/s strikes against a block
- Which of the following atoms has the lowest ionisation potential?
- If the length of a stretched string is shortened by 4% and the tension is increased
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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