Slides in this set
Making an electromagnet:
What to do:
1. Wrap a coil of wire around the iron nail.
2. Connect the coil of wire to the batteries.
3. See how many paperclips you can pick up.…read more
The strength of an electromagnet can be increased by
doing three things:
1) Increasing the voltage
2) Increasing the number of coils
3) Inserting an iron core
(The poles can be reversed by
reversing the direction of the current)…read more