Advertisements
Advertisements
Question
Would the bulb glow in the circuit shown in Figure?
Advertisements
Solution
The bulb will not glow. This is because the two terminals of the cell are connected to the single terminal of the bulb. This is equivalent to the bulb not being connected to the circuit at all. The two terminals of the battery should be connected to the two terminals of the cell.
RELATED QUESTIONS
Name the wire in a household electrical circuit to which the switch is connected.
What is the purpose of a switch in a circuit?
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?
How should the electric lamps in a house be connected so that the switching ON or OFF in a room has no effect on other lamps in the same building?
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?
Name the component of a circuit which help us to start or stop the appliances & safely and easily.
Name the wire to which a switch is connected.
