PN Junction Diode
Posted in Components Learning

PN Junction Diode

A PN-junction diode is formed when a p-type semiconductor is fused to an n-type semiconductor creating a potential barrier voltage…

PN Junction
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PN Junction

A PN-junction is formed when an N-type material is fused together with a P-type material creating a semiconductor diode. In…

Semiconductor
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Semiconductor

If resistors are the most basic passive component in electrical or electronic circuits, then we have to consider the Signal…

Varistor
Posted in Components Learning

Varistor

The Varistor is a passive two-terminal solid state semiconductor device that is used to provide protection to electrical and electronic…

Resistivity
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Resistivity

Resistivity of materials is the resistance to the flow of an electric current with some materials resisting the current flow…

Darlington Transistors
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Darlington Transistors

The Darlington Transistor configuration of two bipolar transistors offers increased current switching for a given base current. The Darlington Transistor…

MOSFET
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MOSFET

MOSFET’s operate the same as JFET’s but have a gate terminal that is electrically isolated from the conductive channel. As…

Transistor as a Switch
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Transistor as a Switch

Transistor switches can be used to switch a low voltage DC device (e.g. LED’s) ON or OFF by using a…

PNP Transistor
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PNP Transistor

The PNP Transistor is the exact opposite to the NPN Transistor device we looked at in the previous tutorial. Basically,…

NPN Transistor
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NPN Transistor

NPN Transistors are three-terminal, three-layer devices that can function as either amplifiers or electronic switches. In the previous tutorial we…

Bipolar Transistor
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Bipolar Transistor

The Bipolar Junction Transistor is a semiconductor device which can be used for switching or amplification. In the diode tutorials,…

Potentiometer
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Potentiometers

Potentiometers and Rheostats create a change in their resistive value when a connected shaft is physically rotated. Resistors provide a…

Resistors in AC Circuits
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Resistors in AC Circuits

Resistors can also be used in Alternating Current supplies where the voltages, currents, and power being consumed are given in…

Resistor Power Rating
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Resistor Power Rating

Electrical Power is absorbed by a resistance as it is the product of voltage and current with some resistances converting…

Potential Difference
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Potential Difference

The voltage difference between any two points in a circuit is known as Potential Difference and it is this potential…

Resistors in Series and Parallel
Posted in Components Learning

Resistors in Series and Parallel

Resistors can be connected together in an unlimited number of series and parallel combinations to form complex resistive circuits. In…

Resistors in Parallel
Posted in Components Learning

Resistors in Parallel

Resistors are said to be connected together in parallel when both of their terminals are respectively connected to each terminal…

Resistors in Series
Posted in Components Learning

Resistors in Series

Resistors are said to be connected in series when they are daisy chained together in a single line resulting in…

Resistor Colour Code
Posted in Components Learning

Resistor Colour Code

Resistor Color Coding uses colored bands to easily identify a resistors resistive value and its percentage tolerance. There are many…

Resistor
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Resistor

Resistors are the most fundamental and commonly used of all the electronic components, to the point where they are almost…

Electrical Energy and Power
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Electrical Energy and Power

Electrical Energy supplies the power required to produce work or an action within an electrical circuit and is given in…

Current Dividers
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Current Dividers

Current Divider circuits have two or more parallel branches for currents to flow through but the voltage is the same…

Voltage Dividers
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Voltage Dividers

Voltage Divider circuits are used to produce different voltage levels from a common voltage source but the current is the…

Kirchhoff’s Voltage Law
Posted in Learning Schematic

Kirchhoff’s Voltage Law

Kirchhoff’s Voltage Law (KVL) is Kirchhoff’s second law that deals with the conservation of energy around a closed circuit path….

Current Sources
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Current Sources

A Current Source is an active circuit element that is capable of supplying a constant current flow to a circuit…

Voltage Sources
Posted in Learning Schematic

Voltage Sources

A Voltage Source is a device that generates an exact output voltage which, in theory, does not change regardless of…

Star Delta Transformation
Posted in Components Learning

Star Delta Transformation

Star-Delta Transformations and Delta-Star Transformations allow us to convert impedances connected together in a 3-phase configuration from one type of…

Maximum Power Transfer
Posted in Components Learning

Maximum Power Transfer

Maximum Power Transfer occurs when the resistive value of the load is equal in value to that of the voltage…

Nortons Theorem
Posted in Components Learning

Nortons Theorem

Nortons theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a…

Thevenin’s Theorem
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Thevenin’s Theorem

Thevenin theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a…

Nodal Voltage Analysis
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Nodal Voltage Analysis

Nodal Voltage Analysis finds the unknown voltage drops around a circuit between different nodes that provide a common connection for…

Mesh Current Analysis
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Mesh Current Analysis

Mesh Current Analysis is a technique used to find the currents circulating around a loop or mesh with in any…

Electrical Units of Measure
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Electrical Units of Measure

Electrical Units of Measurement are used to express standard electrical units along with their prefixes when the units are too…

DC Circuit Theory
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DC Circuit Theory

The fundamental relationship between voltage, current, and resistance in an electrical or electronic circuit is called Ohm’s Law. All materials…

Ohms Law and Power
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Ohms Law and Power

The relationship between Voltage, Current, and Resistance in any DC electrical circuit was firstly discovered by the German physicist Georg…

electricity
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What is electricity?

Electricity is a process of the transmission of an electrons group from one point to another.  That is the definition…

Schematic Circuit Symbols
Posted in Components Learning

Schematic Circuit Symbols

Kirchhoff’s Current Law
Posted in Learning

Kirchhoff’s Current Law

To determine the amount or magnitude of the electrical current flowing around an electrical or electronic circuit, we need to…

Capacitors
Posted in Components Learning

Capacitors

Capacitors are simple passive device that can store an electrical charge on their plates when connected to a voltage source….

Posted in Learning

Kirchhoff’s Circuit Law

Kirchhoffs Circuit Laws allow us to solve complex circuit problems by defining a set of basic network laws and theorems…