Q: I have a newly converted condo (it used to be an apartment), and it has electric wall heaters. They are 220 volts. I also have an electric fireplace with a built-in heater. Cheesy yes, but instant ...

Analog topologies abound for converting current to voltage, voltage to current, voltage to frequency, and frequency to voltage, among other conversions. Figure 1 joins the flock while singing a ...

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 the work ...

If a product uses power, then power consumption and power quality measurements must be made as part of product design and test. These measurements are essential to optimize product design, comply with ...

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 for electrical ...