There is a bar in my hand. When I suspend it using a thread, it aligns – InterviewSolution

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1.	There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?
Answer» There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?

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