Advertisements
Advertisements
Question
The bulb in the circuit shown in Figure does not glow. Can you identify the problem? Make necessary changes in the circuit to make the bulb glow.

Advertisements
Solution 1
The bulb in the circuit is not glowing because the two cells are not connected properly.
To make the bulb glow, the negative terminal of one cell should be connected to the positive terminal of the other cell, as shown in the given figure.

Solution 2
The problem in this circuit is the combination of two cells. In the circuit, the positive terminal of one cell should be connected with the negative terminal of the other to make the bulb glow.

APPEARS IN
RELATED QUESTIONS
Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switch in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position, and battery.
The combination of two or more cells is called a ______.
When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.
An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.
Zubeda made an electric circuit using a cell holder shown in Figure, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.

In the circuit shown in figure would any of the bulbs glow when the switch is in the ‘OFF’ position?

Select the correct alternative
Electricity can flow through
In which of the following case the bulb will glow :
Identify the circuit in which the electrical components have been properly connected.
![]() |
![]() |
![]() |
![]() |
| (i) | (ii) | (iii) | (iv) |
Unscramble the following words:
HICWTS




