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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.

The magnetic field of the earth is _______ near the equator.

  weakest

  strongest

 

2.

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

 

3.

Magnetic lines of force intersect each other at right angles.

  True

  False

 

4.

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

  no magnetism

  similar polarity

  opposite polarity

  Half-n-half Clue
 

5.

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

  open

  closed

 

6.

The south pole of a freely-suspended bar magnet will _______ of the Earth.

  point towards the south pole

  point towards the north pole

  align along the equator

  Half-n-half Clue
 

7.

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

  induction

  electrification

  force

  Half-n-half Clue
 


 
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