Question

multiple choice question
how does an electrical outlet produce an electric current?
○ the plug, once inserted in the outlet, starts a chemical reaction that generates electrons.
○ as soon as a device is plugged in, the potential difference pushes electrons towards the device.
○ the plug, once inserted, sends a signal to the power company to send a flow of electrons to the outlet.
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Explanation:

Electrical outlets are connected to a power grid that maintains a potential difference (voltage) between its terminals. When a device is plugged in, it completes the circuit, and this potential difference drives the flow of electrons (electric current) toward the device. Chemical reactions for electron generation occur in batteries, not outlets, and outlets do not send signals to power companies to initiate electron flow.

Answer:

As soon as a device is plugged in, the potential difference pushes electrons towards the device.