In any case, this is what's used in all the modern mobo CPU VRs I'm aware of, and its efficiency is on the order of 85%.<BR><BR>SO, to figure out how many amps are coming into the VR, take the ...

Both watts (W) and volt-amperes (VA) are units of measurement for electrical power. Watts refer to “real power,” while volt-amperes refer to “apparent power.” ...

Ohm’s Law from Sparkle Labs on Vimeo. Simply put: voltage goes up, current goes up; resistance goes up, current goes down. This is the basis of Ohm’s Law: Voltage = Current x Resistance (V=IR).

You can also read this article online as part of the Article Series: What’s the Difference Between Watts, RMS and More.Both watts (W) and volt-amperes (VA) are units of measurement ...

If you read our recent feature about the Tal-y-Llyn Railway, the world’s first preserved line, you may have taken a while to watch the short film about the railway in the early 1950s. It was … ...

Measuring a voltage is pretty easy: just place your multimeter’s probes across the relevant pins and read the value. Probing currents is a bit trickier, since you need to open up the circuit … ...