Categories > emi > Application of EMI > A step-down transformer is used on a 1000 V line to deliver 20 A at 120 V at the secondary coil. If the efficiency of the transformer is 80% the current drawn from the line is .

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Question: A step-down transformer is used on a 1000 V line to deliver 20 A at 120 V at the secondary coil. If the efficiency of the transformer is 80% the current drawn from the line is .


1) 3 A
2) 30 A
3) 0.3 A
4) 2.4 A
Solution: Explanation: No Explanation
Application of EMI Transformer

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