They made a huge threadmill and a million people walked on it all at once to produce energy! It was in 1921..
ferro-resonant power supply?
Tata Hydro-Electric Power Supply Company - in 1910
+5, -5, +12, -12
Sine wave
i need answer interms of mw
-12, +12, -5, +5 & ground.
the power supply whines when you first turn on the system
+12V, -12V, +5V, -5V, +3.3V
You first have to know the type of power supply your are testing. Then you could test whether the power supply is receiving anything from its source. Next check if it is giving any output.
The first power supply was invented by Thomas Edison. It is unknown when exactly the first universal power supply for computers was invented.
+3.3v +5v -5v +12v -12v
In 1969, tarapur Maharastra India`s first Nuclear power plant has been constructed