Advertisements
Advertisements
Question
A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed?
Solution
The iron bar acquires magnetism due to magnetic induction.
If the magnet is removed, the iron bar loses its magnetism.
APPEARS IN
RELATED QUESTIONS
In which direction does a suspended bar magnet come to rest? Give reason.
You are provided with two similar bars, one is a magnet and the other is a soft iron. How will you distinguish between them without the use of any other magnet or bar?
[Hint : A magnet when suspended freely will rest only in the north-south direction, but the soft iron bar will rest in any direction]
Two like magnetic poles:
Define the magnetic field.
Define Magnetic equator.
Define the terms magnetic declination and dip with reference to a freely suspended magnet.
A freely suspended bar magnet is always pointing along the ________ north-south direction.
Earth acts as a huge bar magnet. Why? Give reasons.
Write a note on Earth’s magnetism.
Though Earth is acting as a huge bar magnet it is not attracting other ferromagnetic materials. Why? Give reasons.
