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प्रश्न
Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires, instead, she got two strips of aluminium foil. Will she succeed? Explain, how?
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उत्तर
Yes, she will succeed as aluminium foil strips can act as connecting wires being good conductor of electricity.
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संबंधित प्रश्न
Select the correct alternative
In a torch, the source of electricity is
Mention two advantages of a dry cell.
Secondary cell can be used only once.
______ was developed is 1887 by Yei Sakizo of Japan
Match the following
| 1. | Dry cells | a. | Reversible |
| 2. | Electrolyte | b. | Opens or closes the circuit |
| 3. | Switch | c. | Solution |
| 4. | Secondary cell | d. | Torches |
What is the source of electric current in a T.V. remote?
Choose the incorrect statement.
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Will the bulb glow in both the cases?
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Does the brightness of the glowing bulb depend on the direction of current through it?
