Physics
Grade-9
Easy
Question
A device which is used to open or close the flow in a circuit is
- Insulator
- Conductor
- Switch
- Battery
Hint:
The switch is used to open or close (interrupt or induce or start) the flow of current in a circuit.
The correct answer is: Switch
A device which is used to open or close the flow in a circuit is switch.
- The switch is an electric device that is used to open or close a circuit.
- The current flow will be interrupted when the switch is off which causes an open circuit.
- When the switch is on the circuit will be closed and the current flows without interruption.
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