A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the…
Physics · NEET · NTA Exams — Electromagnetic Induction and Alternating Currents
A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil is 6 A, the voltage across secondary coil and the current in the primary coil respectively are:\(I_{5}\)
- 300 V, 15 A
- 450 V, 15 A
- 450 V, 13.5 A
- 600 V, 15 A
Answer
(B) 450 V, 15 A
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