Direct current is defined as which of the following?

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Multiple Choice

Direct current is defined as which of the following?

Explanation:
Direct current is defined by a steady, unidirectional flow of charge. In a DC source, the current moves in one fixed direction from one terminal to the other, so the flow is continuous (aside from small ripples in real-world supplies). That makes the description of a steady continuous unidirectional flow between the electrodes (anode and cathode) the best fit. The other terms describe alternating or irregular behavior: rhythmically changing direction and bidirectional alternating current refer to AC, while a pulsed, irregular flow isn’t true steady DC.

Direct current is defined by a steady, unidirectional flow of charge. In a DC source, the current moves in one fixed direction from one terminal to the other, so the flow is continuous (aside from small ripples in real-world supplies). That makes the description of a steady continuous unidirectional flow between the electrodes (anode and cathode) the best fit. The other terms describe alternating or irregular behavior: rhythmically changing direction and bidirectional alternating current refer to AC, while a pulsed, irregular flow isn’t true steady DC.

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