Formulas – Equations

Electrical Engineering Formulas and Equations

Star Connection (Y): Three Phase Power, Voltage & Current Values

Three Phase Star Connection: Line, Phase Current, Voltages & Power in Y Configuration What is Star Connection (Y)? Star Connection (Y) System is also known as Three Phase Four Wire…
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Magnetic Terms used in Magnetic Circuits – Definition & Formulas

Magnetic and Magnetism Important Terms, Definition and Formulas Magnetic Field or Magnetic Induction (B) Magnet or Electromagnet produces a Magnetic field. The field where the magnet attracts or repels magnetic…
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IC 555 Timer Calculator with Formulas and Equations

555 Timer Calculator with Formulas and Equations Formulas and Equations for 555 Timer IC Calculator Frequency (f) = 1/ [ ln(2) x C x (R1 + 2R2) ] Frequency (f) = 1.44 /…
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Zener Diode & Zener Voltage Regulator Calculator

Zener Diode & Zener Voltage Regulator Calculator Formulas and Equations for Zener Diode & Zener Voltage Regulator Calculator Series Current IS= VIN – VZ / RS….. (Ohm’s Law Again) Load Voltage VL = VZ Change…
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Q Factor in Electrical and Electronics Engineering

What is the ‘Q’ factor in Electrical and Electronics Engineering? Q Factor In a tuned circuit, the ratio between reactance and resistance is called the Q Factor or Quality Factor.…
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How to Calculate the Suitable Capacitor Size in µ-Farads & kVAR for P.F Improvement

How to Find the Right Size Capacitor Bank Value in both kVAR and Microfarads for Power Factor Correction – 3 Methods As we got lots of emails and messages from…
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Ohm’s Law: Simple Explanation with Statement and Formulas

What is Ohm’s Law? Definition, Derivation, Limitation, Formula and Solved Example Ohm’s Law The relationship between current through a conductor and the voltage across it was first discovered by the…
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5000+ Electrical and Electronic Engineering Formulas & Equations

List of All Electrical and Electronics Engineering Formulas Note: Click on the desired box button below to see the related electrical and electronics engineering formulas and equation with details. Basic…
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How to Calculate the Value of Resistor for LED’s & Different Types of LED Circuits

How to Find the Value of Resistor for Different Types of LEDs Circuits The following step by step tutorial will help you to find the proper value of a resistor…
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SMD Resistor Codes: How to Find the Value of SMD Resistors

How to Calculate & Find the Value of SMD & EIA-96 SMD Resistor Resistors? SMD Resistor (Surface Mount Technology) An SMD resistor, short for “Surface Mount Device” resistor, is a…
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