Question

Natasha wants to create her own electromagnet that can pick up small pieces of metal like paper clips or iron fillings. Which list of materials would Natasha need to build her electromagnet?

1string, battery, iron nail
string, battery, iron nail

2battery, iron nail, wire
battery, iron nail, wire

3glass rod, wire, battery
glass rod, wire, battery

4Rubberband, string, battery
Rubberband, string, battery

Answer 1

2battery, iron nail, wire