Electromagnets – electricity and magnets
There are electromagnets inside stereo speakers When did people invent electromagnets? In the early 1800s AD, about 200 years ago, scientists in Denmark and Britain figured out another way to [...]
There are electromagnets inside stereo speakers When did people invent electromagnets? In the early 1800s AD, about 200 years ago, scientists in Denmark and Britain figured out another way to [...]
Build your own electromagnet with a nail, some copper wire, and a battery What will I need? You can build your own electromagnet. Get about five meters of copper magnet wire (you can [...]
A Leyden Jar - an early kind of electric battery In the early 1800s AD, about 200 years ago, scientists in Denmark and Britain figured out another way to make magnets. [...]