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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- α- particles, β – particles and γ – rays are all having same energy.
- A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects
- A cycle wheel of radius 4 m completes one revolution in two seconds. Then acceleration
- The temperature coefficient of resistance of an alloy used for making resistor is
- The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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