What is the difference between an AC circuit and a DC circuit?
A. In an AC circuit, the current changes direction periodically, while in a DC circuit, the current flows in only one direction.
B. In an AC circuit, the voltage is constant, while in a DC circuit, the voltage changes periodically.
C. In an AC circuit, the resistance is constant, while in a DC circuit, the resistance changes periodically.
D. None of the above
Answer:A
What is the difference between an AC circuit and a DC circuit?
A. In an AC circuit, the current changes direction periodically, while in a DC circuit, the current flows in only one direction. B. In an AC circuit, the voltage is constant, while in a DC circuit, the voltage changes periodically. C. In an AC circuit, the resistance is constant, while in a DC circuit, the resistance changes periodically. D. None of the above