A step down transformer converts transmission line voltage from 11000 V to 220 V. The…
Physics · Class 12 · CBSE — Alternating Current
A step down transformer converts transmission line voltage from 11000 V to 220 V. The primary of the transformer has 6000 turns and efficiency of the transformer is 60%. If the output power is 9 kW, then the input power will be
- 11 kW
- 12 kW
- 14 kW
- 15 kW
Answer
(D) 15 kW
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