Advertisements
Advertisements
प्रश्न
Differentiate between:
Primary and secondary cell.
Advertisements
उत्तर
Primary cells are the cells in which chemical reaction is irreversible so they can't be charged again and again. While, secondary cells are the cells in which chemical reaction is reversible and can be charged again and again.
APPEARS IN
संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
If a magnet attracts a piece of metal, that piece must be made of ______.
Define the term Magnetic axis
State the laws of magnetism.
Magnets are used in _______ for generating electricity.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
Define electromagnet.
