Advertisements
Advertisements
Question
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
Advertisements
Solution
When a nylon shirt, blouse, or stocking s are removed then they get rubbed with the hairs and due to friction between hairs and nylon, charges get induced on them and attractive force gets induced between them.
APPEARS IN
RELATED QUESTIONS
Fill in the blank to complete the sentence :
The two ends of a magnet are called __________.
Fill in the blank to complete the sentence :
Unlike poles of a magnet ___________ each other.
Fill in the blank to complete the sentence :
Like poles of a magnet ______________ each other.
'Induction precedes attraction'. Explain the statement.
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.
How do you account for the following fact?
Steel makes better permanent magnet than soft iron.
Explain a suitable experiment of magnetic induction?
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.
