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? (1 point)
O wooden rod for a core, copper wire, 12-volt battery
O plastic rod for a core, copper wire, 12-volt battery
O metal rod for a core, copper wire, 12-volt battery
O glass rod for a core, copper wire, 12-volt battery
1 answer
The correct answer is: O metal rod for a core, copper wire, 12-volt battery