Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?

None of these
The current in an ac circuit changes direction periodically
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 flows in two directions at the same time

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Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

None of these
The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The same current flows through every part of a series circuit
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The total current in a series circuit is equal to the total voltage multiplied by the total resistance

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