Following are the electrical engineering formulas and equations for the basic quantities i.e. current, voltage, power, resistance and impedance in both DC and AC circuits (single phase and three phase).

It offers detailed technical data and calculations for various fields such as fluid mechanics, material properties, HVAC systems, electrical engineering, and more.

Learn how to calculate key and useful electrical formulas. From Ohm's Law to key conversion formulas.

Electrical Resistance and Impedance Formulas in AC Circuits. In AC Circuits (capacitive or inductive load), Resistance = Impedance i.e., R = Z. Z 2 = R 2 + X 2 … In case of resistance and reactance. Z …

Essential electrical formulas for Ohms Law, power calculations, voltage drop, wire sizing & three-phase systems. Quick reference for electricians.

May 2, 2022 · A list of the most important Electrical Engineering Formulas & Equations. This list of formulas and concepts (laws) are used in many aspects like solving circuits and implementing …

Electrical & electronic formulas - Basic electronics, electrical units, symbols, basic concepts, DC/AC circuit laws, resistor color code

The complete list of electrical & electronics engineering basic formulas cheat sheet for PDF download.

Jun 5, 2025 · In this exhaustive article you will learn all the basics of electrical technology, which will include definitions of various electrical parameters, descriptions of electrical concepts, and …

Reference sheet of basic electrical engineering formulas, theorems, and laws. Covers circuits, impedance, Ohm's Law, Kirchhoff's Laws, and Maxwell's equations.