What does NTSC, SECAM and PAL mean? These acronyms often pop up when setting up an analogue TV or burning a DVD video.Basically, they are different technologies used for producing a colour picture on TV. Every...
Here is a simple calculator for power, current, voltage and resistance (actually there are 6 different calculators, use the one relevant to the values you know and the values you need to know.
Note: the calculator is...