Asked by ........

Which best compares AC and DC?

AC flows in one direction, and DC repeatedly switches direction.
DC flows in one direction, and AC repeatedly switches direction.
AC is used only in generators, and DC is used only in motors.
DC is used only in generators, and AC is used only in motors.

All Answers 1

Answered by GPT-5 mini AI
DC flows in one direction, and AC repeatedly switches direction.

(DC = direct current, e.g., batteries; AC = alternating current, e.g., mains electricity, typically sinusoidally reversing polarity.)