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प्रश्न
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संबंधित प्रश्न
Explain why, a freely suspended magnet always points in the north-south direction.
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?
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
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
What do you understand by the term magnetic field lines?
Draw diagram showing the arrangement of the lines of force for two magnets in line, with unlike poles facing one another.
State any two properties of a magnet.
A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
Magnetic lines of force never ______ each other.
