Question

Current whose magnitude changes but direction remains constant then that current is called *
Steady current
Variable current
Alternating current
Does not exist​

Answer 1

Answer:

An alternating current (AC) is an electrical current whose magnitude and direction vary cyclically, as opposed to direct current, whose direction remains constant. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy.

Explanation:

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