Advertisements
Advertisements
Question
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.
Advertisements
Solution
The rubbed ebonite rod contains more electrons so it acquires the negative charge so a charge is acquired by it. But, in the rubbed metal rod, electrons are transferred but through hands and body, they pass to the earth so no charges will be there while the metal rod is held in hand.
APPEARS IN
RELATED QUESTIONS
Fill in the blank to complete the sentence :
The two ends of a magnet are called __________.
'Induced magnetism is temporary'. Comment on this statement.
'Induction precedes attraction'. Explain the statement.
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 equal pieces as shown in the figure. How would the magnetic field 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?
A conductor B is charged by bringing another charged body A in contact
Explain the process of charging B.
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
