For unlimited access to Study Guides, a Grade+ subscription is required.
In electrolytes the electric current is caused by motion of:
An iron rod becomes magnetic when __________.
A) its atoms are aligned having plus charges on one side and negative charges on the other
B) positive ions accumulate at one end and negative ions at the other end
C) the net spins of electrons belonging to the atoms that form a domain are in the same direction
D) its electrons stop moving and point in the same direction.
