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School Physics Quiz : Magnetic Fields


Answer the following questions based on magnetic fields.

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Multiple choice

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1.

If a piece of soft iron is placed in a magnetic field, it will get magnetized by influence or _______.

  force

  electrification

  induction

  Half-n-half Clue
 

2.

The angle between the magnetic north pole and the geographic north pole of the Earth is known as the angle of declination.

  True

  False

 

3.

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

  open

  closed

 

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.

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

  opposite polarity

  similar polarity

  no magnetism

  Half-n-half Clue
 

7.

The preservation of the magnetism of magnets can be done by using magnetic _______.

  lodestones

  keepers

  fields

  Half-n-half Clue
 


 
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