The correct answer is A.
To make an electromagnet, the girl would need a metal rod for a core, copper wire, and a 12-volt battery.
A girl is trying to make a simple electromagnet to help her pick up a piece of metal she dropped under a car. Which list of materials would she need to make an electromagnet?
A
metal rod for a core, copper wire, 12-volt battery
B
glass rod for a core, copper wire, 12-volt battery
C
wooden rod for a core, copper wire, 12-volt battery
D
plastic rod for a core, copper wire, 12-volt battery
1 answer