EASY
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Circular ring shaped magnets don't have two poles.

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Important Questions on Magnetic Effects of Electric Current

EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Write three properties of magnetic lines of forces.
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines

Observe the diagram.
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The magnetic poles represented by P and Q respectively are

MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Write any three properties of magnetic field lines.
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Represent magnetic field lines of a bar magnet.
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
The strength of magnetic field
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Draw the magnetic lines of force around a bar magnet.
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Mention two properties of magnetic field lines.
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
A normal bar magnet is 6 cm long. It’s North Pole will be away from its mid-point at a distance of:
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
State the differences between magnetic field and magnetic field line.
HARD
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Write the characteristic of magnetic field lines.
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Write two properties of magnetic field lines.
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
What is a magnetic field?
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines

A bar magnet is used to pick up an iron nail

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At which part P, Q, and R is the easiest for the magnet to pick up the iron nail? 

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Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
From which pole of magnet do magnetic field lines come out?
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
The magnetic field intensity (B) at a distance 'r' from a long straight conductor carrying a steady current varies with 'r' as shown in figure: 
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines

"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?

EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines

The figure shows the magnetic field lines of a magnetic field. There are three points A, B and C in this field. Choose the correct option regarding field strength.

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EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines

Write characteristics of magnetic field lines.

MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Explain how does a solenoid behave like a magnet. When is the force experienced by a current-carrying conductor placed in a magnetic field largest? 
EASY
Science>Physics>Magnetic Effects of Electric Current>Magnetic Field and Field Lines
Why can't two magnetic field lines intersect?