Four Amperes of Current Exist in the Primary Coil of a Transformer

question 35

Multiple Choice

Four amperes of current exist in the primary coil of a transformer. The voltage across the primary coil is 120 V. What is the power output of the secondary coil?

• A)30 W
• B)120 W
• C)480 W
• D)960 W
• E)need more information

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