Advertisements
Advertisements
प्रश्न
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]
Advertisements
उत्तर
Iron rod is magnetized when placed near a bar magnet by magnetic induction, while copper rod is not magnetized.
APPEARS IN
संबंधित प्रश्न
You are given the magnetic field pattern of a magnet. How will you find out from it where the magnetic field is the strongest?
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?
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Draw the pattern of magnetic field lines near a bar magnet placed with its North Pole pointing towards the geographic North. Indicate the position of neutral points by marking X.
State whether the magnetic field lines in part (a) represent a uniform magnetic field or non-uniform magnetic field?
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
Indicate by crosses, the likely positions of the neutral points.
Repulsion is a surer test of magnetic condition of a body than attraction. Explain.
Complete the following diagram of magnets to show the lines of force.
What are the properties of a magnet?
Distinguish between
Magnetic properties of iron and steel.
