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Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?
The current in an ac circuit flows in one direction, but changes value periodically
The current in an ac circuit flows in one direction at a steady level
The current in an ac circuit changes direction periodically
The current in an ac circuit flows in two directions at the same time
None of the above
Correct Answer:
The current in an ac circuit changes direction periodically
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