Class 6 Fun With Magnets CBSE Questions & Answers

Class 6 · Fun With Magnets

This is Science Class 6 Fun with Magnets CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
In which appliance electromagnet is used?
  • A
    Geyser
  • B
    Toaster
  • C
    Refrigerator
  • D
    Electrical fan
    Correct
2
What will happen when a magnet falls accidentally in water?
  • A
    It may break into two equal magnets
  • B
    It magnetic property remain same
    Correct
  • C
    It may become more magnetic
  • D
    It may lose magnetic power
3
A magnet will attract
  • A
    The iron clips
    Correct
  • B
    A piece of cloth
  • C
    All of these
  • D
    A pencil
4
The attractive power of a bar magnet is maximum at its
  • A
    Only at left end
  • B
    Only at right end
  • C
    At its both ends
    Correct
  • D
    All along the length
5
A magnet “A” attracts another metal piece “B” then
  • A
    B must be a insulator
  • B
    B may be a magnet or un-magnetized iron piece
    Correct
  • C
    B must be a un-magnetised iron piece
  • D
    B must be a magnet
6
Magnetic field lines are
  • A
    Incomplete circular curve
  • B
    Straight line
  • C
    Complete circular curve
    Correct
  • D
    Parallel line
7
The strength of electromagnet depends on
  • A
    Type of current
  • B
    Amount of current flowing through it
    Correct
  • C
    Duration of current
  • D
    Temperature of core
8
Increase in number of turns ____________ strength of electromagnet.
  • A
    Increase
    Correct
  • B
    Keep same
  • C
    Do not change
  • D
    Decrease
9
A coil of many circular turn wrapped around a insulator forms a
  • A
    Solenoid
    Correct
  • B
    Bar magnet
  • C
    U-shaped magnet
  • D
    Circular magnet
10
The pole of which type of magnet can be changed easily?
  • A
    Permanent magnet
  • B
    Circular magnet
  • C
    Bar magnet
  • D
    Electromagnet
    Correct
11
The door of refrigerator have magnet to shut it easily as door is made up of
  • A
    Copper
  • B
    Steel
    Correct
  • C
    Aluminium
  • D
    Brass
12
Which one is a magnetic material?
  • A
    Plastic paper clip
  • B
    Eraser
  • C
    Pencil
  • D
    Common pin
    Correct
13
The compass used by traveller to find the direction is
  • A
    Globe
  • B
    Water gauze
  • C
    Magnetic compass
    Correct
  • D
    Wind van
14
Heating and dropping a magnet may
  • A
    Demagnetize it
    Correct
  • B
    All of these
  • C
    Break it into two equal parts
  • D
    Increase magnetic power
15
When a magnet is placed in a plastic plate containing common pin, the pin will attach to magnet
  • A
    Equal all over
  • B
    More in the middle
  • C
    More on two ends
    Correct
  • D
    More one end