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Questions
What are magnetic field lines?
Solution
RELATED QUESTIONS
Fill in the following blank with suitable words:
The earth's magnetic field is rather like that of a .......... magnet with its .......... pole in the northern hemisphere.
A current flows downwards in a wire that passes vertically through a table top. Will the magnetic field lines around it go clockwise or anticlockwise when viewed from above the table?
An electron beam enters a magnetic field at right angles to it as shown in the Figure.
The direction of force acting on the electron beam will be:
to the left
to the right
into the page
out of the page
A magnetic field exerts no force on:
an electrical charge moving perpendicular to its direction
an unmagnetised iron bar
a stationary electric charge
a magnet
What is a natural magnet? State two limitations of a natural magnet.
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
Explain the following :
Several soft iron pins can cling, one below the other, from the pole of a magnet.
State four properties of magnetic field lines.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
In a uniform magnetic field, the field lines are:
Define the agonic line.
Define the isoclinic line.
State briefly the modern views on magnetism.
State any two properties of a magnet.
Complete the following diagram of magnets to show the lines of force.
Magnetic lines of force never ______ each other.
