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School Physics Quiz : Magnetic Fields


Answer the following questions based on magnetic fields.

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Multiple choice

Your Performance  

1.

It has been found that the earth steadily induces its own magnetic poles into a bar magnet kept in some place for a few weeks.

  True

  False

 

2.

Magnetic line of force is a _______ continuous curve in a magnetic field.

  closed

  open

 

3.

During magnetic induction, the end of an unmagnetized magnetic substance nearer to the pole of the inducing magnet acquires _______.

  opposite polarity

  no magnetism

  similar polarity

  Half-n-half Clue
 

4.

The arrow on a magnetic line of force is determined by the direction in which a free _______ pole would point in a magnetic field.

  south

  north

 

5.

Magnetic lines of force intersect each other at right angles.

  True

  False

 

6.

Magnetic lines of force attract each other.

  True

  False

 

7.

Magnetic lines of force travel from _______ outside the magnet.

  south to north

  north to south

 


 
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