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An iron transformer assumed to be 100 % efficient. The ration of the secondary truns to the primary truns is 1:20. A 240 V ac supply is connected to the primary coil. What is the current in the primary coil?

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An iron transformer assumed to be 100 % efficient. The ration of the secondary truns to the primary truns is 1:20. A 240 V ac supply is connected to the primary coil. What is the current in the primary coil?



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