How to measure coil inductance

How to measure the inductance of the coil Freebie will not work. Inductance measurement is not such a simple task, and you cannot solve it with a DC multimeter alone. Several approaches are possible. First things first, inductance ...

how to call the engine megaohmmeter?

how to ring the engine with a megohm meter? megohm meter is the most reliable way. you connect one contact of the megohm meter with the electric motor case, and you twist the second to the winding terminal, and the faster, the better. ok when the arrow ...

who invented the light bulb

who invented the light bulb He who had previously patented. generally the first light bulb and battery to it were invented in Babylonia in ancient times ... those inventions that we know about are just scientific plagiarism! ...