Electrical Engineering Guides

Circuit Theory

Substitution Theorem

As name implies, the main concept of this theorem which is based upon substitution of one element by another equivalent element. Substitution theorem gives us some special insights in circuit behavior. This theorem is also used to prove several other theorems. Statement of Substitution Theorem Subst

By Electrical4u 03/12, 2024
Circuit Theory

Millman Theorem

Millman’s theorem was named after famous electrical engineering professor JACOB MILLMAN who proposed the idea of this theorem. Millman’s theorem acts as a very strong tool in case of simplifying the special type of complex electrical circuit . This theorem is nothing but a combination of Thevenin’s

By Electrical4u 03/12, 2024
Circuit Theory

Thevenin Equivalent Voltage And Resistance: What is it?

What is Thevenin’s Theorem (Thevenin Equivalent)? Thevenin theorem (also known as the Helmholtz–Thévenin theorem) states that any linear circuit containing only voltage sources , current sources, and resistances can be replaced by an equivalent combination of a voltage source (V Th ) in series with

By Electrical4u 03/12, 2024
Circuit Theory

What is Norton’s Theorem And How to Find The Norton Equivalent Circuit

What is Norton Theorem? (Norton’s Equivalent Circuit) Norton’s Theorem (also known as the Mayer–Norton theorem) states that it is possible to simplify any linear circuit to an equivalent circuit with a single current source and equivalent parallel resistance connected to a load. The simplified circu

By Electrical4u 03/12, 2024
Circuit Theory

Construction of AC Circuits and Working of AC Circuits

Bridge circuit is nothing but the electrical circuit configuration which is used to measure unknown values of the resistance, impedance, induction, and capacitance . Many bridges like Wheatstone bridge , Maxwell Bridge, Kelvin Bridge , and many more are very useful to measure quantities with accurac

By Electrical4u 03/12, 2024
Circuit Theory

Series And Parallel DC Circuits Explained (Examples Included)

What is an Electrical Circuit? An electrical circuit is a combination of two or more electrical components that are interconnected by conducting paths. The electrical components may be active components , or inactive components , or some combination of the two. What is a DC Circuit? There are two ty

By Electrical4u 03/12, 2024
Circuit Theory

Nodes, Branches and Loops of a Circuit

An electric circuit based on three concepts, namely, node , branch and loop . As per definition, an electric network is a combination of interconnected circuit elements . A network may or may not provide closed path to the electric current to flow. But, an electrical circuit may be a combination of

By Electrical4u 03/12, 2024
Circuit Theory

Dual Network Circuit Analysis

What is a Dual Network? Two electrical networks are said to be dual networks if the mesh equations of one network is equal to the node equation of the other. The dual network is based on Kirchhoff Current Law and Kirchhoff Voltage Law . Applying Kirchhoff Voltage Law in the network A, above we get,

By Electrical4u 03/12, 2024
Circuit Theory

Electric Circuit or Electrical Networks: What Are They?

What is an Electrical Circuit? An electrical circuit (also known as an electrical network or electric circuit) is an interconnection of various active and passive components in a prescribed manner to form a closed path. Electric current must be able to flow from the source through some conductive me

By Electrical4u 03/12, 2024
Circuit Theory

Active And Passive Circuit Elements (Components) in Electronics

What are Active and Passive Circuit Elements (Components)? Active and passive components form the two main types of electronic circuit elements. An active component supplies energy to an electric circuit , and hence has the ability to electrically control the flow of charge. A passive component can

By Electrical4u 03/12, 2024
Circuit Theory

ELI the ICE man: What is it

What is ELI the ICE man? ELI the ICE man is used to remember the relationship between current and voltage in an inductor and capacitor . ELI the ICE man stands for the fact that voltage [E] leads current [I] in an inductor [L] (that’s the ELI part) and current [I] leads voltage [E] in a capacitor [C

By Electrical4u 03/12, 2024
Circuit Theory

Schmitt Trigger: What is it And How Does it Work?

What is a Schmitt Trigger? A Schmitt Trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier . A Schmitt Trigger uses two input different threshold voltage level to avoid noise in the input signal.

By Electrical4u 03/12, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

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Substitution Theorem

Millman Theorem

Thevenin Equivalent Voltage And Resistance: What is it?

What is Norton’s Theorem And How to Find The Norton Equivalent Circuit

Construction of AC Circuits and Working of AC Circuits

Series And Parallel DC Circuits Explained (Examples Included)

Nodes, Branches and Loops of a Circuit

Dual Network Circuit Analysis

Electric Circuit or Electrical Networks: What Are They?

Active And Passive Circuit Elements (Components) in Electronics

ELI the ICE man: What is it

Schmitt Trigger: What is it And How Does it Work?

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