EASY
Earn 100

What is the reason for earth's magnetism?

Important Questions on Magnetism

EASY
Science>Physics>Magnetism>Earth's Magnetism
Earth Attracts particles because of _____:

 
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
Which one of the following statements is not correct?
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Science>Physics>Magnetism>Earth's Magnetism

Define magnetic declination. How does it depend on latitudes?

HARD
Science>Physics>Magnetism>Earth's Magnetism

The magnetic field lines inside a current carrying long solenoid are in the form of

EASY
Science>Physics>Magnetism>Earth's Magnetism
The North pole of Earth's magnet is near the geographical
HARD
Science>Physics>Magnetism>Earth's Magnetism
Though Earth is acting as a huge bar magnet it is not attracting other ferromagnetic materials. Why? Give reasons.
EASY
Science>Physics>Magnetism>Earth's Magnetism
The value of g on the moon is 16 of the value of g on the earth. If a man can jump 1.5 m high on the earth, on the moon, he can jump up to a height of :
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
A bar magnet is placed with its north pole towards geographic north. The neutral point will be
HARD
Science>Physics>Magnetism>Earth's Magnetism
Suggest one way to recognise the magnetic field of the earth.
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
Why does the earth behave as a magnet?
EASY
Science>Physics>Magnetism>Earth's Magnetism

Write the quadrants in which the following points lie:

-4,7

EASY
Science>Physics>Magnetism>Earth's Magnetism
In which direction does a freely suspended magnet settle?
HARD
Science>Physics>Magnetism>Earth's Magnetism
Earth acts as a huge bar magnet. Why? Give reasons.
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
Where is the geomagnetic North pole located?
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Science>Physics>Magnetism>Earth's Magnetism

Assertion: The magnetic poles of earth do not coincide with the geographic poles.

Reason: The discrepancy between the orientation of a compass and true north-south direction is known as magnetic declination.

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Science>Physics>Magnetism>Earth's Magnetism
You are given a magnet. How will you use it to find north- south direction at a place?
EASY
Science>Physics>Magnetism>Earth's Magnetism

5.4 kwh = ?

HARD
Science>Physics>Magnetism>Earth's Magnetism
Give anyone evidence of existence of Earth's magnetic field.
EASY
Science>Physics>Magnetism>Earth's Magnetism

Consider the following:

1. Electromagnetic radiation.
2. Geothermal energy.
3. Gravitational force.
4. Plate movements.
5. Rotation of the earth.
6. Revolution of the earth.

Which of the above are responsible for bringing dynamic changes on the surface of the earth?

MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
Does the Earth behave like a magnet? How do you prove it?