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Answer to Question #55890 in Electromagnetism for kola

Question #55890
An air-cored transformer is assumed to be 100% efficient. The ratio of the secondary turns to the primary turns is 1:20. A 240V ac supply is connected to the primary coil and a

load is connected to the secondary coil. what is the current in the primary coil?
0.10A
0.14A
2.0A
40.0A
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