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- 1. Multiple Choice
When a magnet is suspended freely it always aligns itself in -------- direction?
North
N-S
N-W
N-E
- 2. Multiple Choice
----- is the only natural magnet.
Magnetite
Ebonite
Cobalt
Nickel
- 3. Multiple Choice
Which of the following gets attracted to a magnet?
Copy book
Silver spoon
Comb
Common pins
- 4. Multiple Choice
The North end of the freely suspended magnet points towards -------?
Geographical North
Geographical South
Geographical East
Geographical West
- 5. Multiple Choice
like poles of magnets -------- each other.
Attract
Repel
Both a and b
None
- 6. Multiple Choice
Unlike poles of magnets -------- each other.
Attract
Repel
Both a and b
None
- 7. Multiple Choice
What do magnets stick to
Copper
Iron
Wood
Plastic
- 8. Multiple Choice
When two same poles are brought together
They attract each other
They repel each other
They become cold
They align in N-S direction
- 9. Multiple Choice
True or False: All metals are attracted to magnet.
TRUE
FALSE
- 10. Multiple Choice
What is the name of a magnet created by wrapping a current-carrying wire around a ferromagnetic core?
Temporary magnet
Electromagnet
Permanent magnet
- 11. Multiple Choice
non magnetic substances are
wood
iron
paper
cobalt
- 12. Multiple Choice
Parts of a magnet which are concentrated in attraction or repulsion are called -
Corners
Fields
Poles
Borders
- 13. Multiple Choice
Loss of magnetism is known as _________
Magnetisation
Magnetic Repulsion
Magnetic Attraction
Demagnetisation
- 14. Multiple Choice
State True or False - Magnets should be stored in pairs with their opposite poles lying side by side.
True
False
- 15. Multiple Choice
Magnetic force is _________ when two magnets are kept far apart.
Increased
Decreased
First decreased, then increased
None of these
- 16. Multiple Choice
Magnetic force is a -
Contact force
Non-contact force
Muscular force
None of these
- 17. Multiple Choice
In ancient times, humans made crude navigational compass by using -
Steel
Lodestone
Alnico
Soft iron
- 18. Multiple Choice
A How is a compass useful to us?
A) In finding the altitude of a place
B) In finding only the north of a place
C) In finding all the directions of a place
D) In making artificial magnets
- 19. Multiple Choice
Two magnets are placed close to each other as shown below. Which set will attract each other?
- 20. Multiple Choice
Which is an example of a magnetic substance
Iron
Nickel
Cobalt
All of these
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