Advertisements
Advertisements
प्रश्न
Answer the following in short.
Give two examples each of magnetic and. non-magnetic substances.
Advertisements
उत्तर
Examples of magnetic substances – Iron, nickel, cobalt
Examples of non-magnetic substances – Plastic, wool, wood, paper, rubber, etc.
APPEARS IN
संबंधित प्रश्न
Distinguish between
Magnetic and non-magnetic materials.
It is advised to keep the magnets away from television, mobiles, CD and computers Explain why?
Rubber is a magnetic material.
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II.
Match the statements given in Column I with those in Column II.
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is fitted with a magnet with north pole towards its head |
| Boat is not affected by the magnet | Boat is fitted with a magnet with south pole towards its head |
| Boat moves towards the magnet if north pole of the magnet is brought near its head | Boat has a small magnet fixed along its length |
| Boat moves away from the magnet when north pole is brought near its head | Boat is made of magnetic material |
| Boat floats without changing its direction | Boat is made up non-magnetic material |
Analogy:
Magnetic substance: Attracted by magnets
Non-magnetic substance: ______.
Among the following which one is a magnetic substance?
Ever silver spoon is a ______ material.
What are non-magnetic substances?
When the iron needle is rubbed with a bar magnet the needle gets magnetized. But the rubber piece is rubbed with a magnet it will not get magnetized. Why?
A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
