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)

Responses

plastic rod for a core, copper wire, 12-volt battery
plastic rod for a core, copper wire, 12-volt battery

metal rod for a core, copper wire, 12-volt battery
metal rod for a core, copper wire, 12-volt battery

wooden rod for a core, copper wire, 12-volt battery
wooden rod for a core, copper wire, 12-volt battery

glass rod for a core, copper wire, 12-volt battery

1 answer

To make a simple electromagnet, she would need a metal rod for a core, copper wire, and a 12-volt battery. The metal core enhances the magnetic field generated by the current flowing through the copper wire.

So the correct choice is:

metal rod for a core, copper wire, 12-volt battery.