Electricity primarily involves the movement of which particle?

Electricity primarily involves the movement of which particle?

• A. Electrons
• B. Protons
• C. Neutrons
• D. Photons

Answer: (A)

Electricity is the flow of electric charges. In most conductors, the moving charges are electrons because they’re light, single particles that are not bound tightly to the nucleus and can drift when a voltage is applied. Protons stay bound in the nucleus and neutrons have no charge, so they don’t move to create a current in a typical circuit. Photons are energy carriers of light and electromagnetic waves, not the moving charged particles that constitute electrical current in wires. When a potential difference pushes a conductor, the electrons drift and produce the current you measure, with the conventional current direction opposite to the actual electron flow.

Electricity is the flow of electric charges. In most conductors, the moving charges are electrons because they’re light, single particles that are not bound tightly to the nucleus and can drift when a voltage is applied. Protons stay bound in the nucleus and neutrons have no charge, so they don’t move to create a current in a typical circuit. Photons are energy carriers of light and electromagnetic waves, not the moving charged particles that constitute electrical current in wires. When a potential difference pushes a conductor, the electrons drift and produce the current you measure, with the conventional current direction opposite to the actual electron flow.