We've talked about how AC circuits change voltage, but let's take a deeper look.

If you have ever read advanced textbooks or papers about electronics, you may have been surprised to see the use of complex numbers used in the analysis of AC circuits. A complex number has two par… ...

There are many ways to work through an AC circuit, but phasors have the virtue of making the math relatively simple. The less time you are spending calculating, the more time you can spend ...

This is a take-off on Mr. Marian’s “Simple Micro Ampere Meter Circuit” that utilizes active circuitry and an analog meter to make sensitive DC current measurements. A reader subsequently asked if it ...

Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1. This is why it’s so important ...

This circuit offers an alternative to a bulky, noisy, vibration/magnetic field/heat producing transformer. However, the advantage of the transformer is in the isolation it offers from live AC. The ...

In a DC circuit, electrons move in one direction and keep rotating in the circuit. In an AC circuit, electrons don’t circulate and only move back and forth.