Advertisements
Advertisements
प्रश्न
Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?
Advertisements
उत्तर
Yes, the bulb will glow:
- Take a lemon. Squeeze it without breaking its skin. The squeezing action releases the juice inside the lemon needed as the battery works.
- Use a nail to make one hole in one end of the lemon and push a copper wire into that hole.
- Then, push the nail into the other end.
- Connect a bulb with one of the terminals with the copper wire and the other terminals with the nail, as shown in the figure.
- Now the lemon generates a small amount of electricity and the bulb glows.

APPEARS IN
संबंधित प्रश्न
Draw circuit symbols for
a battery of three cells
The following figure shows the symbols for components used in the accompanying electrical circuit. Place them at proper places and complete the circuit.

Which law can you prove with the help of above circuit?
In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?
Write the condition required for a circuit to be a closed circuit.
The unit of electrical power is _______.
In the given circuit diagram, which of the given switch(s) should be closed. So that only bulb A glows.

What is electric circuit?
In a simple circuit, why does the bulb glow when you close the switch?
The rate of flow of electric charges in a circuit is called ______.
Set up the circuit shown in Figure again. Move the key to ‘ON’ position and watch carefully in which direction the compass needle gets deflected. Switch ‘OFF’ the current. Now keeping rest of the circuit intact, reverse the connections at the terminal of the cell. Again switch ‘on’ the current. Note the direction in which the needle gets deflected. Think of an explanation.

