Question

How will you test if a given metallic bar is a magnet or not​

Answer 1

Answer:

bring up pole of bar magnet(say d north pole)

close to both ends of a bar one by one.

if one end is attracted and other is repelled then it is a magnet or if both the ends are attracted then it is not said to be a magnet.

Answer 2

$\huge\green{ANSWER}$

To test if the metal ball is magnetic or not, keep a metal which has iron in it or an iron object near the metal ball. If the ball is attracted to the iron object, then it is magnetic. If not, then is is not a magnet object.