Advertisements
Advertisements
प्रश्न
Select the correct option:
The magnetic strength of a bar magnet is:
पर्याय
maximum at its center
same along the magnet
maximum near its ends
none of these
Advertisements
उत्तर
maximum near its ends
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
Explain the method of plotting the magnetic field lines by using a small compass needle.
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.
Draw magnetic field lines produced around a current-carrying straight conductor passing through cardboard. Name, state and apply the rule to mark the direction of these field lines.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
Describe two methods of determining the arrangement of the lines of force in the field close to a bar magnet. Give a brief explanation of each method.
Draw diagram showing the arrangement of the lines of force for a piece of soft iron laid in line with the magnetic field.
Complete the following diagram of magnets to show the lines of force.
Inside the magnet, the field lines moves ____________.
