Question Text
Question 1 :
Why permanent magnets are kept with soft iron pieces at ends as keepers ?<br/>
Question 2 :
What happens when a bar magnet is broken into two pieces ?<br/>
Question 4 :
$a$. To draw water from a well we have to ________at rope.<br>$b$.A charged body _______an uncharged bodytowards it.<br>$c$.To move a loaded trolley we have to _______ it.<br>$d$.The north pole of a magnet _______the northpole of another magnet<br>.
Question 5 :
The force with which a magnet attracts objects like iron is called Magnetic force.<br/>
Question 7 :
What kind of magnet  is used in a magnetic compass ?<br/>
Question 8 :
When the S-pole of a magnet is placed near an unkown pole of another magnet, the two magnets.
Question 9 :
A magnet can be easily turned into a ______ by excessive heating. Fill in the blank.
