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A magnet attracts a piece of iron. The iron can then attract another piece of iron. On the basis of domain alignment, explain what happens in each piece of Iron.

 

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Priyanka
PriyankaLv10
6 Nov 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Which is a key difference between electric charges and magnetic poles?

a. Like electric charges repel but like magnetic poles attract. 
b. An electrically charged rod attracts an electrically neutral object but a magnet does not attract an unmagnetized chunk of iron.       
c. In electricity, unlike charges, repel, but in magnetism, unlike poles attract. 
d. Magnetic monopoles exist but isolated electric charges are never found. 
e. Electric charges can be separated while magnetic poles always occur together as opposite poles of equal strength.

Which is a key difference between electric charges and magnetic poles?

a. Like electric charges repel but like magnetic poles attract. 
b. An electrically charged rod attracts an electrically neutral object but a magnet does not attract an unmagnetized chunk of iron.       
c. In electricity, unlike charges repel, but in magnetism, unlike poles attract. 
d. Magnetic monopoles exist but isolated electric charges are never found. 
e. Electric charges can be separated while magnetic poles always occur together as opposite poles of equal strength.

a) Which of the following statements about magnetic fields is true?

 
Magnetic field lines point in towards the north pole of a magnet.
 
None of these.
 
Magnetic field lines point outward from the north pole of a magnet.
 
Magnetic field lines point outward from the south pole of a magnet.
 
There are no magnetic field lines outside the magnet.
 
There are no magnetic field lines unless iron filings are present.
 
 
b) What is an acceptable ending to the following sentence: “Magnetic field lines…”
 
Are not present without iron filings.
 
Form closed loops.
 
Can cross each other.
 
None of these.
 
Originate from monopoles.
 
All of the above.
 
 
c) Which of the following arrangements produces an attractive force?
 
South Pole to South Pole
 
Magnets never attract each other, only iron filings.
 
South Pole to North Pole
 
North Pole to North Pole
 
All of these.
 
None of these.
 

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