Q6 of 238 Page 73

Where do the manufacturers use a magnetic strip in the refrigerator? Why is this magnetic strip used?

To keep the door closed properly manufacturers use a strip of magnets at the doors of refrigerators.


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4

State whether the following statement is true or false :

The axis of earth's imaginary magnet and the geographical axis coincide with each other.

 5

Why does a compass needle get deflected when brought near a bar magnet?

 7

Fill in the following blanks with suitable words :

(a) Magnetic field lines leave the..........pole of a bar magnet and enter at its........pole.


(b) The earth's magnetic field is rather like that of a ......... magnet with its........pole in the northern hemisphere.

 8

Draw a diagram to show the magnetic field lines around a bar magnet