EASY
Earn 100

MAGLEV train incorporates the magnetic forces to lift, propel and guide the track.

50% studentsanswered this correctly

Important Questions on Magnetism

EASY
Science>Physics>Magnetism>Usages of Magnets
People who made mariner’s compass for the first time.
HARD
Science>Physics>Magnetism>Usages of Magnets
Where is an electric crane used?
EASY
Science>Physics>Magnetism>Usages of Magnets
Which of the following magnets is used in a speaker?
EASY
Science>Physics>Magnetism>Usages of Magnets
How you separate metal scrap from a heap of waste material in a scrap yard?
HARD
Science>Physics>Magnetism>Usages of Magnets
How does the electromagnetic train work?
EASY
Science>Physics>Magnetism>Usages of Magnets

Which magnet will you use when the iron is to be separated from trash?

EASY
Science>Physics>Magnetism>Usages of Magnets

Choose the odd one and give reason:

Lift, escalator, electromagnetic train, electric bulb.
EASY
Science>Physics>Magnetism>Usages of Magnets
What may be the reasons for keeping big speakers in the sound boxes and small ones in headphones?
EASY
Science>Physics>Magnetism>Usages of Magnets
Give the reason behind using a large magnet in loudspeakers and the reason behind using a small magnet in headphones? 
EASY
Science>Physics>Magnetism>Usages of Magnets

Write any two uses of magnet.

EASY
Science>Physics>Magnetism>Usages of Magnets

Write the uses of a magnet.

MEDIUM
Science>Physics>Magnetism>Usages of Magnets
Write the differences between a normal train and an electromagnetic train.
EASY
Science>Physics>Magnetism>Usages of Magnets

A soft-iron rod and a steel rod each have coils around them. Both rods are initially un-magnetised. The coils are attracted to circuits, as shown in the second diagram.

Question Image

Which of the two arrangement would be used as the electromagnet on the crane in a scrap metal yard?

MEDIUM
Science>Physics>Magnetism>Usages of Magnets

Describe a method by which you could directly measure the strength of an electromagnet's field by measuring the force produced by it and compare the strengths of different electromagnets. You should note the factors that affect the strength of the field and how you would vary them?

EASY
Science>Physics>Magnetism>Usages of Magnets
Describe a method by which you could directly measure the strength of an electromagnet's field by measuring the force produced by it and compare the strengths of different electromagnets. You should note the factors that affect the strength of the field and how you would vary them?
EASY
Science>Physics>Magnetism>Usages of Magnets
On what principle does the electromagnetic train works?
HARD
Science>Physics>Magnetism>Usages of Magnets

How will you make levitating propeller?

EASY
Science>Physics>Magnetism>Usages of Magnets
Name the train that makes use of electromagnets for propulsion. (Electromagnetic train/electric train)