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प्रश्न
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.
उत्तर
- One of the reasons may be that the rubber band used in the cell holder may not be tight enough to keep the two cells in contact with each other.
- If the cells are not in proper contact with each other, the circuit will not be complete, and current will not flow through it. Hence, the bulb will not glow. it is important to connect the cells in the right series.
- The positive terminal of the first cell should be connected with the negative terminal of the second cell.
- The switch should be closed properly, and the bulb should not be fused. If Zubeda checks these, then the bulb will certainly glow.
APPEARS IN
संबंधित प्रश्न
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.
Figure shows four cells fixed on a board. Draw lines to indicate how you will connect their terminals with wires to make a battery of four cells.
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.
In the circuit shown in figure would any of the bulbs glow when the switch is in the ‘OFF’ position?
What is a battery?
In which of the following case the bulb will glow :
Mark the correct choice
- Assertion: In a simple battery circuit the point of highest potential is the positive terminal of the battery.
- Reason: The current flows towards the point of the highest potential
______ are used to connect devices.
Identify the circuit in which the electrical components have been properly connected.
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 |
 |
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| (i) | (ii) | (iii) | (iv) |
A combination of two or more cells is called a _________.
