ELECTROMAGNET DATABASE Log on to http://science.howstuffworks.com/electromagnet2.htm to find out what an electromagnet is and how it works. |
QUESTION |
ANSWER |
1. In which direction do electrons flow in a battery? |
|
2. What three things happen if you connect a wire from the negative to the positive ends of a battery terminal? |
|
3.How can you see the magnetic field formed around wires containing electricity? |
|
4.Does a magnetic field weaken or strengthen as you move away from the electromagnet? |
|
5.How can we increase the size of the magnetic field? |
|