For the PDF version of this article, click here. In 1776, Scottish economist Adam Smith introduced the concept of division of labor and specialization, concluding that it is in the economic interest ...

Standby power refers to the electric power consumed by electronic appliances while they are switched off or in a standby mode – but still connected and still drawing power. Fundamentally, standby ...

If you want to measure voltage you reach for a voltmeter. Current? An ammeter. Resistance? An ohmmeter. But what about measuring AC power? A watt meter? Usually. But if you know what to do, you could ...

AC/DC power supply manufacturers have focused their latest designs on meeting the increased demand for higher efficiency and miniaturization in industrial and medical systems. A few of them are also ...