What travels through the wires when you switch on the light?

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Electrons

Protons

Neutrons

Ions

answer is A.

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Detailed Solution

Electrons travel through the wires when you switch on the light.
When we switch on the light, we usually say that current is there in the wires, but the electric current is the flow of charge. The further flow of charge is due to the flow of electrons from negative to positive terminals. Therefore, electrons travel through the wire when we switch on the light. Hence, option 1 is correct.

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