Advertisements
Advertisements
Question
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Advertisements
Solution
| Magnetite | Natural magnet |
| A tiny pivoted magnet | Compass box |
| Cobalt | Ferromagnetic material |
| Closed curves | Magnetic lines |
| Bismuth | Diamagnetic material |
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
How will you test whether a given rod is made of iron or not?
“Poles exist in pair”. Comment on this statement ?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Define the following term regarding a bar magnet:
Effective length
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
Define the following term:
Angle of declination
Magnets are used in _______ for generating electricity.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
What will happen when we place magnets near cell phones, computers, and DVDs?
