Advertisements
Advertisements
प्रश्न
How would you test whether a piece of steel was magnetised
(i) If you had a magnet?
(ii) If there was no magnet available.
Advertisements
उत्तर
(i) If we had a magnet then we will bring the magnet near to steel, if there is a force of repulsion or attraction is experienced then steel was magnetized otherwise not.
(ii) We will hold the steel freely, if it points to north-south direction only then it is magnetized otherwise not.
APPEARS IN
संबंधित प्रश्न
Fill in the blank to complete the sentence :
The two ends of a magnet are called __________.
Fill in the blank to complete the sentence :
A freely suspended magnet rests in the geographic ___________ direction.
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
What is magnetic induction?
A magnet is carefully broken into two halves along its long axis as shown in the figure. How would the magnetic strength of each piece compare with that of the original magnet?
A conductor B is charged by bringing another charged body A in contact 
What will be the charge gained by B?
Give scientific reason:
A charge can be obtained on a rubbed ebonite rod held in the hand but not on a rubbed metal rod held in the hand.
