Current cannot flow through a circuit when the switch is current flows through a circuit and all of the bulbs are lit only when the switch is

Open

Closed

Explanation:

An open circuit is an electrical circuit in which the electric current does not circulate because it is interrupted or not communicated by means of an electrical conductor. While in a closed circuit, the current, that is the flow of electrons, travels from the beginning of the circuit to the end.

area of focus

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