What is an electric switch? Name some electrical devices that have built-in switches.

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Purpose of an electric switch is to make or break circuits.

Purpose of the electric switch is to lower resistance.

Purpose of the electric switch is to increase conductivity.

All of the above

answer is A.

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Detailed Solution

Concept: A switch is a device used in electrical engineering that has the ability to connect or detach a circuit's conducting line, halting the flow of electricity, or rerouting it to another conductor.
Switches are used to create or disconnect circuits for free use of electrical equipment. Electrical devices with built-in switches include lamps, refrigerators, washing machines, electric fans, televisions, and radios.
Hence, the correct option is 1.

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