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
Explain the meaning of the term induced magnetism.
How do you account for the following fact?
Iron becomes magnetized when placed in a coil carrying direct current.
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
Describe various methods of magnetising a piece of iron.
Explain a suitable experiment of magnetic induction?
Explain, what is meant by magnetic induction.
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
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.
