MCQ
In alternating current.
- AThe direction of current is always positive
- BThe direction of current is always negative
- ✓The direction of current changes constantly
- DThe direction of current is either positive or negative
✓
Answer
Correct option: C.
The direction of current changes constantly
Electric charge in alternating current $(AC)$ changes direction periodically. The voltage in $AC$ circuits also periodically reverses because the current changes direction.
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