A very useful tool for observing rotating objects is a strobe light.…
Explain the operation of this “H-bridge” motor control circuit: At…
Stepper Motor vs Servo Motor A stepper motor is a…
The interlock contacts installed in the previous section’s motor…
How is it possible to electrically measure the torque output by a…
Pulse Width Modulation (PWM) uses digital signals to control power…
Don’t just sit there! Build something!! Learning to mathematically…
Just as devices have been made to measure certain physical quantities…
Most students of electricity begin their study with what is known as…
At first it may seem pointless to have the four buffer gates following…
If an electric current is passed through this wire, which direction…
A three-phase motor may be run from a single-phase power source.…
Most AC motors are induction motors. Induction motors are favored due…
Solid-state switching circuits usually keep their constituent…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Single Phase Synchronous Motors Single-phase synchronous motors are…
At first it may seem pointless to have the four buffer gates following…
The armature windings of your DC motor will have very low resistance.…
How is it possible to electrically measure the torque output by a…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Normally, the rotor windings of a wound rotor induction motor are…
Stepper Motor vs Servo Motor A stepper motor is a…
A wound rotor induction motor has a stator like a squirrel cage…
The interlock contacts installed in the previous section’s motor…
A three-phase motor may be run from a single-phase power source.…
Electromechanical watt-hour meters use an aluminum disk that is spun…
Just as devices have been made to measure certain physical quantities…
If the ends of a wire loop are attached to two half-circular metal…
Shaded Pole Induction Motor An easy way to provide starting torque to…
All About Contactors When a relay is used to switch a large amount of…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Don’t just sit there! Build something!! Learning to analyze digital…
A tool designed to convert between units of torque
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
After the introduction of the DC electrical distribution system by…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
The first and most straightforward network analysis technique is…
OK, so how exactly can we represent AC quantities of voltage or…
Note the “50 ohm” rating printed on the jacket of the cable. What…
A circuit which removes the peak of a waveform is known as a clipper.…
You might have been wondering how charges can continuously flow in a…
Don’t just sit there! Build something!! Learning to mathematically…
This tool calculates the cutoff frequency of a rectangular waveguide
Whenever there is a mismatch of impedance between transmission line…
In Millman’s Theorem, the circuit is re-drawn as a parallel…
A principal consideration for industrial control networks, where the…
Since Thevenin’s and Norton’s Theorems are two equally…
A calculator for computing the inductance of a coaxial cable.
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
Mathematical rules are based on the defining limits we place on the…
So far, the filter designs we’ve concentrated on have employed…
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…
When capacitors are connected in series, the total capacitance is…
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
Determine the output voltage polarity of this op-amp (with reference…
