Question text
33 What proves that a metal bar is a permanent magnet? A It attracts both ends of a compass needle. B It attracts one end of another magnet. C It conducts electricity. D It repels one end of another magnet.
33 What proves that a metal bar is a permanent magnet?
A It attracts both ends of a compass needle.
B It attracts one end of another magnet.
C It conducts electricity.
D It repels one end of another magnet.
Select your answer: