Advertisements
Advertisements
प्रश्न
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
उत्तर
It is not advisable to slide a magnet on an iron bar back and forth because moving it in opposite directions will work to cancel each other out.
APPEARS IN
संबंधित प्रश्न
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following in detail.
Write a short note on the theory of magnetism.
Define the following term regarding a bar magnet:
Effective length
Define the following term regarding a bar magnet:
Magnetic equator
How will you do this?
Explain that a magnet has a certain magnetic field.
Select the correct option:
The place around a magnet where its influence can be detected is called:
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
