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प्रश्न
Name two sources of electricity.
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उत्तर
- dry cell and battery
- generator and solar cell
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संबंधित प्रश्न
Select the correct alternative
In a torch, the source of electricity is
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 used in mobile phones.
What are the types of cells? Give examples.
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
What is meant by a battery or collection of cells?
A battery is a group of ______.
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?
