Mesh current analysis calculates currents in closed loops of a circuit by assigning hypothetical loop currents and using Kirchhoff’s Voltage Law. Although the basis for evaluating any electrical circuit is provided by Kirchhoffs Current Law (KCL) and Voltage Law (KVL), other methods such as Mesh Current Analysis and Nodal Voltage Analysis are also available. These […]
Understanding Kirchhoff’s Circuit Law
Kirchhoff’s Circuit Laws define voltage and current relationships and serve as the foundation for understanding complicated circuits. In one of our earlier lesson, we looked about resistors and how one equivalent resistance (RT) can represent a series, parallel, or combination of resistor connections. Ohm’s Law is readily followed by these circuits when calculating voltage and current. […]
Quantities and Units in Electrical Circuits
Electrical quantities are expressed using the conventional electrical units (volt, ampere, ohm) and their prefixes. Prefixes are used when the amounts being measured are too big or small to be represented in a suitable way using only the basic units. Fundamental Electrical Units: The standard electrical units for voltage, current, and resistance are the volt […]
Calculating Ohm’s Law and Power in Circuits
The way in which voltage (V), current (I), and resistance (R) interact in any DC circuit was first explained by German physicist Georg Ohm. In the field of electricity, German physicist Georg Ohm discovered a key principle, he found that at a consistent temperature, the flow of electric current through a fixed, unchanging resistance is […]
Understanding How Electricity Flows in DC Circuits
As we all know electrical circuits consist of interconnected electrical elements. Current is measured in amperes (A), represents the flow of electric charge around a closed loop. This flow is driven by a potential difference (electromotive force, EMF) measured in volts (V). We know that, all materials are composed of atoms, however these atoms also […]
Calculating Crest Factor of a Waveform
Crest factor is a way to describe a waveform’s shape. It’s calculated by dividing the waveform’s peak value (maximum value) by its RMS value (effective value). For a perfect sine wave, the crest factor is 1.414. This tells us that sine waves have a predictable peakiness. Crest factor (CF), also called peak factor or amplitude factor, is a mathematical tool used to analyze various […]