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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
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- Current flows in semi-conductors through
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- The dimensions of Planck’s constant is same as that of
- The fluctuation in the input voltage of 200 V to a domestic circuit is +10V
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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