Advertisements
Advertisements
Question
A switch is not touched with wet hands while putting it on or off. Give a reason for your answer.
Advertisements
Solution
A switch should not be touched with wet hands. If water reaches the live wire, it forms a conducting layer between the hand and the live wire of the switch through which the current passes to the hand and the person may get a fatal shock.
RELATED QUESTIONS
Name the wire in a household electrical circuit to which the switch is connected.
The following diagram shows three lamps and three switches 1, 2 and 3 connected with two cells.
- Name the switch / switches to be closed so as to light all the three lamps.
- How are the lamps connected: in series or in parallel?
The diagram below shows a dual control switch circuit connected to a bulb.
(i) Copy the diagram and complete it so that the bulb is switched ON.
(ii) Out of A and B which one is the live wire and which one is the neutral wire ?
What is a switch? State its function in an electric circuit.
What are ‘dual switches’? Mention their one main use.
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 which connects electrical components to one another.
Name the wire to which a switch is connected.
