Question Text
Question 1 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c6e1f59b460d7261e647.jpg' />
What materials did you find to be non-magnetic from the above Table?
Question 2 :
What about opposite poles — do they attract or repel each other?
Question 4 :
A substance consisting of a coil of wire with an iron core and is only magnetized when an electric current flows through it is called :
Question 5 :
Why permanent magnets are kept with soft iron pieces at ends as keepers ?<br/>
Question 7 :
When the S-pole of a magnet is placed near an unkown pole of another magnet, the two magnets.
Question 8 :
If you live ______ of the Earths equator, the North end of the needle will be pointing towards you and the ______ end of the needle will be pointing toward the sun. Fill in the blank.
Question 9 : <span class="wysiwyg-font-size-medium"><span class="wysiwyg-font-size-medium"><p class="wysiwyg-text-align-left">The magnitude of magnetic moment of a semi circular magnet of radius $r$ and pole strength $m$ is :<br/></p>
