EASY
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Magnetic meridian is a plane _________.

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Important Questions on Magnetism

MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
At certain place, horizontal component is 13 times the vertical component. The angle of dip is
EASY
Science>Physics>Magnetism>Earth's Magnetism
At a certain place, the horizontal component of earth's magnetic field is 13 times the vertical component. The angle of dip at that place is
EASY
Science>Physics>Magnetism>Earth's Magnetism
The strength of the Earth’s magnetic field is
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Science>Physics>Magnetism>Earth's Magnetism
Earth Attracts particles because of _____:

 
EASY
Science>Physics>Magnetism>Earth's Magnetism
Magnetic lines form continuos closed loops. Why?
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Science>Physics>Magnetism>Earth's Magnetism
A Jet plane is travelling west at 450 metres per second. If the horizontal component of Earth's magnetic field is 4×10-4 Tesla and angle of dip is 30°, Then the vertical component is
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
A jet plane with a wing-span of 25 m is travelling horizontally towards the east with a speed of 3600 km/hour. If the Earth's magnetic field at the location is 4×10-4 T and the angle of dip is 30°, then, the potential difference between the ends of the wing is
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
The horizontal component of the earth's magnetic field is 3.6×10-5  tesla where the dip angle is 60°. The magnitude of the earth's magnetic field is,
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
If θ1 and θ2 be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip θ is given by
EASY
Science>Physics>Magnetism>Earth's Magnetism
At a point A on the earth’s surface the angle of dip, δ=+25°. At a point B on the earth’s surface, the angle of dip, δ=-25°. We can interpret that:
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
Write the four important properties of the magnetic field lines due to a bar magnet.
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
Which one of the following statements is not correct?
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
A magnetic compass needle oscillates 30 times per minute at a place where the dip is 45° and 40 times per minute where the dip is 30°. If B1 and B2 are the net magnetic fields due to the earth at the two places respectively, then the ratio B1B2 is approximately equal to
EASY
Science>Physics>Magnetism>Earth's Magnetism

Write three main characteristics of a magnet.

EASY
Science>Physics>Magnetism>Earth's Magnetism
Write the four important properties of the magnetic field lines due to a bar magnet. 
MEDIUM
Science>Physics>Magnetism>Earth's Magnetism

How can you show that the magnetic strength of a magnet is concentrated at the poles?

MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
There are no markings on the body of a bar magnet to indicate its poles. How would you find its north pole?
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Science>Physics>Magnetism>Earth's Magnetism

Shashi was rolling a bar magnet in fine sand. She pulled out magnet from the sand and noticed fine grey particles sticking on the ends of the magnet. However, no particles were sticking in the middle of the magnet. She wanted to know the basic facts clarified such observation with basic facts.

Answer the following questions based on above information:

Why are these fine particles sticking at the ends of the bar magnet but not in the middle of the magnet?

MEDIUM
Science>Physics>Magnetism>Earth's Magnetism
A bar magnet has no marking to indicate its poles. How will you find its poles, without using a magnet?