alleryWhat are the charge carriers in the metal wires of a circuit usually?
AProtons
BNeutrons
CElectrons
DPhotons
Answer & Solution
Correct answer: C. Electrons
1. In electric circuits the charge carriers are often electrons moving through a wire.
2. Protons stay fixed in the nuclei and neutrons carry no charge.
3. Photons are light, not charge carriers.
_Source: Wikipedia, Electric current, Lead section_
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