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प्रश्न
Which magnet will you use?
You are lost in a forest.
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उत्तर
A bar magnet or loadstone can be used to find the direction in the forest. This is because a bar magnet, when suspended freely, always rests in a north-south direction.
संबंधित प्रश्न
What is declination ? Draw a diagram to show the angle between the declination and true direction of geographic north.
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Define the following term regarding a bar magnet:
Magnetic field
How will you do this?
Find the north pole of a magnet.
Select the correct option:
The substance which form a strong temporary magnet is:
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
What do you understand by the term magnetic declination?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
Artificial magnets are made in different shapes such as ______, _____ and _______.
