Explain the following diagrams with samples
1. Simple Bar Diagram.
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Step-by-step explanation:
one side is north pole and the other is south pole .
when north- nother come closer or South-south come closer , both repel each other( puch away)
when north- and south come closer both attract each other . bar magnet attract iron, steel, cobalt etc.
one use is Needle of the compass.
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