A relay is a switch that controls how power flows through a circuit. It can have two states: on and off. In the consumer market, it is often packed inside a power outlet. So it's often experienced as a remotely controlled switch within a power source.
Background
A relay is a switch that controls how power flows through a circuit. It can have two states: on and off. In the consumer market, it is often packed inside a power outlet. So it's often experienced as a remotely controlled switch within a power source.
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Prior Art