It’s an electromagnet pendulum analog circuit. Whether you’re building it, or just studying the schematics, this is a fun way to brush up on the non-digital side of the craft. The pendulum is ...

It is also grade school science to show that neither an electromagnet nor a permanent magnet will pick up nonferrous items like copper or aluminum. While technically not an electromagnet ...

the current in the wire increases the strength of the magnetic field increases The direction of a motor effect force can be found using Fleming’s left hand rule. Hold your thumb, forefinger and ...