In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
The Q factor of a series inductive circuit is given by the following…
A chandelier has five light bulbs in it, and one of them is not…
The armature windings of your DC motor will have very low resistance.…
Generators used in battery-charging systems must be regulated so as to…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
It is sometimes said regarding electrical safety that, Ït’s not the…
Normally, the rotor windings of a wound rotor induction motor are…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Read the following quotation, and then research the term…
As an electric current is passed through a coil of wire, it creates a…
If the ends of a wire loop are attached to two half-circular metal…
Stepper Motor vs Servo Motor A stepper motor is a…
In simple AC power systems, one of the two conductors is typically…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Calculate the voltage output by the secondary winding of a transformer…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Brushless DC motors were developed from conventional brushed DC motors…
This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
As we’ve already learned, electricity requires a complete path…
In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.
Pure resistive AC circuit: voltage and current are in phase. …
It is a common phenomenon for the electrical resistance of a substance…
Mutual inductors are inductors that capitalize the effect of mutual…
A chandelier has five light bulbs in it, and one of them is not…
Convert between Celsius, Fahrenheit and Kelvin
If we were to express the series-connected DC voltages as phasors…
Convert to and from different units of length, weight, power, temperature and torque
At first it may seem pointless to have the four buffer gates following…
This chapter explores the response of capacitors and inductors to…
Typically, complex circuits are not arranged in nice, neat, clean…
Quantum physics describes the states of electrons in an atom according…
A common topology for DC-AC power converter circuits uses a pair of…
Inductors do not have a stable “resistance” as conductors…
Don’t just sit there! Build something!! Learning to analyze digital…
Definition of a Logarithm “log” denotes a…
Don’t just sit there! Build something!! Learning to mathematically…
A helpful analogy for understanding divided feedback amplifier…
The atoms in insulating materials have very tightly-bound electrons,…
Suppose we wished to measure the resistance of some component located…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
Synchronous motors load the power line with a leading power factor.…
As we saw earlier, a power system with no secure connection to earth…
This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
In DC and low-frequency AC circuits, the characteristic impedance of…
As an electric current is passed through a coil of wire, it creates a…
A popular use of diodes is for the mitigation of inductive…
During the early development of telephone technology, a unit was…
RELATED WORKSHEETS: Decibel Measurements Worksheet
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Current Components in a series circuit share the same current: Itotal…
Don’t just sit there! Build something!! Learning to analyze digital…
Shown here is the schematic symbol for a resistor: What is the purpose…
Up until this point, our analysis of transistor logic circuits has…
Contributors to this chapter are listed in chronological order of…
Euler’s Number Euler’s constant is an important value for…
