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प्रश्न
Complete the drawing shown in Figure to indicate where the free ends of the two wires should be joined to make the bulb glow.
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उत्तर
The given circuit is not complete. To complete the circuit, the positive terminal of the cell should be connected to one end of the switch, and the other terminal of the bulb should be connected to the other end of the switch. The closed-circuit is shown in the following figure:
संबंधित प्रश्न
Name the wire in a household electrical circuit to which the switch is connected
A switch is not touched with wet hands while putting it on or off. Give a reason for your answer.
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 ?
It is dangerous to connect the switch in the neutral wire. Explain your answer.
A switch must be connected in the ______.
What are ‘dual switches’? Mention their one main use.
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?
In which position is the key placed in a circuit?
