AC Fundamentals
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Three Phase Current Values in a 3-Phase System
Division of Three Phase Current Values in a 3-Phase System The following points may be noted for understanding the division of Three Phase Current in a 3-Phase System 1. The…
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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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What is an Electric Circuit? Types of Circuits and Network
Electric Circuit, Network, Complex Circuits and other Types of Circuits What is an Electric Circuit? An electric circuit is a closed loop network which provides a return path for the…
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How to Determine the Number of Nodes, Loops, Branches & Meshes in a Circuit?
What is Node, Branch, Loop and Mesh in an Electric Circuit, and How to Identify them? Understanding the fundamentals of electric circuits and networks is crucial for solving and analyzing…
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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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AC Fundamentals Library
AC (Alternating Current) Fundamentals Insulating And Dielectric Materials – Types, Properties & Applications Introduction to Harmonics – Effect of Harmonics on Power System Short Circuit Currents And Symmetrical Components Is…
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What is Power Factor (Cos ϕ) ? Cos fi or P.F Definition & Formulas
Power Factor Definitions and Formulas In electrical engineering, power factor is only and only related to AC circuits i.e. there is no power factor (P.f) in DC circuits due to…
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Capacitors MCQs with Explanatory Answers
Capacitors MCQs with Explanatory Answers 1. The Mark on Ceramic or Non-Polarized Capacitors is “104”. What is the value of Capacitor? 104 µF 10000 µF 10000 nF 100000 pF 2. …
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Basic Concepts (MCQs With Explanatory Answers)
Basic Concepts (Electrical Fundamentals) MCQs With Explanatory Answers 1. What is The Basic Three Electrical Quantities. Resistance, Capacitance, Inductance Power, Voltage, Conductance Voltage, Current, Resistance(Impedance) Current , Reluctance, Inductance 2. …
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Single Phase AC Circuits MCQs ( With Explanatory Answers)
Single Phase AC Circuits MCQs ( With Explanatory Answers) 1. In case of Inductive circuit, Frequency is ___________Proportional to the inductance (L) or inductive reactance (XL). Directly Inversely No Effect…
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