In which type of current does the flow of electricity reverse direction?

In which type of current does the flow of electricity reverse direction?

• A. Alternating
• B. Direct
• C. Normal
• D. Steady

Answer: (A)

Alternating current is the type of current in which the flow of electricity reverses direction. In AC, the voltage and current continually oscillate, so electrons move first in one direction and then in the opposite direction in cycles (often a sine-wave pattern at a set frequency like 50 or 60 Hz). Direct current, by contrast, flows in a single, steady direction from the source through the circuit. The terms normal or steady don’t describe a reversing flow.

Alternating current is the type of current in which the flow of electricity reverses direction. In AC, the voltage and current continually oscillate, so electrons move first in one direction and then in the opposite direction in cycles (often a sine-wave pattern at a set frequency like 50 or 60 Hz). Direct current, by contrast, flows in a single, steady direction from the source through the circuit. The terms normal or steady don’t describe a reversing flow.