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प्रश्न
Name the device used to generate electricity.
एक शब्द/वाक्यांश उत्तर
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उत्तर
Electric cell.
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संबंधित प्रश्न
Name two sources of electricity.
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
Mention two advantages of a dry cell.
______ Cells used in automobiles like cars and buses are large and very heavy.
Primary cells are usually produced in large sizes.
What are the types of cells? Give examples.
A chemical solution that produces positive and negative ions is used as ______.
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 |
Figure A and B, show a bulb connected to a cell in two different ways.
- What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q)
- Will the bulb glow in both the cases?
- Does the brightness of the glowing bulb depend on the direction of current through it?
Think of six activities which use electric current. Also name the devices used to perform the activity.
| Example: | Activity you perform | Device |
| Get light | Torch | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
