An electrical switch is a device that controls the flow of electrical current by opening or closing a circuit. When the switch is in the "ON" position, it completes the circuit allowing the electric current to flow and power connected devices. When in the "OFF" position, it breaks the circuit, stopping the flow of electricity and turning off the devices connected to the circuit. Essentially, it functions to start or stop the electrical flow in a controlled manner, enabling the operation and safety of electrical appliances and systems.
Function of an Electrical Switch
- It makes or breaks the electric circuit to control whether electricity flows.
- It allows users to turn devices on or off easily by opening (off) or closing (on) the circuit.
- It provides control and safety by enabling the interruption of power, preventing electrical hazards.
How It Works
- The switch has contacts that either connect (closed circuit) or disconnect (open circuit) the electrical pathway.
- A mechanical action (like toggling or pressing) causes the change in the switch state.
- When the circuit is closed, current flows and devices operate; when open, no current flows and devices turn off.
This fundamental operation underlies many applications, from household lighting to industrial machinery control.
