AC Over DC

Advantages of AC Over DC

In the modern world of electrical engineering and power distribution, one of the most fundamental choices is between alternating current (AC) and direct current (DC). This debate dates back to…
Potentiometer Over Voltmeter

Advantages of Potentiometer Over Voltmeter

A voltmeter is a straightforward device that directly measures the potential difference across two points in a circuit. A potentiometer, however, operates differently; it measures voltage by comparing an unknown…