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Fill in the blank to complete the sentence :
Like poles of a magnet ______________ each other.
Explain the meaning of the term induced magnetism.
'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?
Steel makes better permanent magnet than soft iron.
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.
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.
