Physics for IGCSE & O level - Electricity (Section 6 - No. 34)
In an AC circuit, what is the role of the neutral wire?
Provides a path for the flow of current back to the source
Provides the primary power supply
Protects against short circuits
Used for grounding
הֶסבֵּר
The neutral wire provides the return path for the alternating current, completing the circuit.