Advertisements
Advertisements
Question
What is a switch? State its function in an electric circuit.
Advertisements
Solution
A switch is an on-off device for current flowing in a circuit or in an electric appliance. The switch should always be connected in the live wire. Its main function is either to connect or disconnect an electric appliance in an electric circuit.
RELATED QUESTIONS
What is the purpose of a switch in a circuit?
A switch must be connected in the ______.
Why should switches always be connected to the live wire? Give one precaution that should be taken while handling switches.
What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
Would the bulb glow after completing the circuit shown in Figure if instead of a safety pin we use an eraser?
Would the bulb glow in the circuit shown in Figure?
In which position is the key placed in a circuit?
Name the component of a circuit which help us to start or stop the appliances & safely and easily.
You are provided with a bulb, a cell, a switch and some connecting wires. Draw a diagram to show the connections between them to make the bulb glow.
Name the wire to which a switch is connected.
