1N4003
data sheet 1n4002
1N4002
1n4001 data sheet
1N4001
Electroscope
Електроскоп
Electromagnet
An electromagnet is a coil with a ferromagnetic core inserted into it. The magnetic field of a current-carrying coil is of particular practical interest. If a coil with current is suspended on thin and flexible wires, it will align itself just like a compass needle: one end will point north, and the other end will …