As an electric current is passed through a coil of wire, it creates a…
The interlock contacts installed in the previous section’s motor…
A tool designed to convert between units of torque
A three-phase motor may be run from a single-phase power source.…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF 120VAC…
Shaded Pole Induction Motor An easy way to provide starting torque to…
A stepper motor is a “digital” version of the electric…
Single Phase Synchronous Motors Single-phase synchronous motors are…
The variable reluctance motor is based on the principle that an…
Explain the operation of this “H-bridge” motor control circuit: At…
Don’t just sit there! Build something!! Learning to mathematically…
If the ends of a wire loop are attached to two half-circular metal…
Just as devices have been made to measure certain physical quantities…
AC Motors Perhaps the most important benefit of polyphase AC power…
Solid-state switching circuits usually keep their constituent…
If an electric current is passed through this wire, which direction…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
At first it may seem pointless to have the four buffer gates following…
Generators used in battery-charging systems must be regulated so as to…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…
A common phrase heard in reference to electrical safety goes something…
The nonlinearity of material permeability may be graphed for better…
Define what noise means, in the electrical sense of the word. How does…
This calculator helps you compute for the inductance of an edge coupled trace.
If we were to connect two inverter gates together so that the output…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Identify which trigonometric functions (sine, cosine, or tangent) are…
Instrumentation is a field of study and work centering on measurement…
“Garbage in, garbage out.” —Anonymous SPICE is a very reliable…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Let’s take the same components for our series example circuit…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
Define the following metrological terms: • Uncertainty • Accuracy…
Up to now, every circuit that was presented was a combinatorial…
What will this voltmeter register when connected to a battery as shown…
The circuit in the previous section is not a very practical one. In…
