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The conclusive test for magnetism in a steel bar suspende...

The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar

A.

always settles in the magnetic N-S direction.

B.

is repelled by a magnet.

C.

always settles in the magnetic E-W direction

D.

is attracted by a magnet.

Correct answer is A

The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar always settles in the magnetic N-S (North-South) direction.