Question

it is very urgent please do this​

Answer 1

Answer:

A switch is a component which controls the open-ness or closed-ness of an electric circuit. They allow control over current flow in a circuit (without having to actually get in there and manually cut or splice the wires). In the on state, a switch acts just like a piece of perfectly-conducting wire.

Answer 2

Answer:

A switch is a component which controls the open-ness or closed-ness of an electric circuit. They allow controls over current flow in a circuit.

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by the way your handwriting is excellent