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A transformer having efficiency of 90% is working on 200 V and 3kW power supply. If the current in the secondary coil is 6 A, then the voltage across the secondary coil and the current in the primary coil respectively are
Options
(a) 300 V, 15 A
(b) 450 V, 15 A
(c) 450 V, 13.5 A
(d) 600 V, 15 A
Correct Answer:
450 V, 15 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 mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- If the series limit of Lyman series for hydrogen atom is equal to the series limit
- The term liquid crystal refers to a state that is intermediate between
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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