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.
