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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
- A conducting square frame of side ‘a’ and a long straight wire carrying current I
- An inductor is connected to an a.c. source when compared to voltage,
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- A pure semiconductor behaves slightly as a conductor at
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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