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प्रश्न
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
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उत्तर
| Example: | Activity you perform | Device |
| Get light | Torch | |
| Prepare an icecream | Refrigerator | |
| Watch movies | Television | |
| Listening songs | Radio | |
| Talk to someone far | Telephone | |
| Ironing clothes | Electric iron |
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संबंधित प्रश्न
Name the +ve terminal of dry cell.
Secondary cells are used in ______.
______ Cells used in automobiles like cars and buses are large and very heavy.
______ was developed is 1887 by Yei Sakizo of Japan
A battery is a group of ______.
Define electric cell. What is the direction of the electric current in a cell?
Write the differences between the primary cell and the secondary cell.
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
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?
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?
