Understanding the DC Series Motor
A DC series motor converts electrical energy to mechanical energy. Its principle…
Electrical Measuring and Testing Devices and How to Use Them
Electrical testing and measurement devices can tell you if a circuit or…
Generating Electricity from a Bicycle Dynamo
The proposed mini-electricity generator project is very simple to build and can…
DIY: How to Build a Hand Crank Flashlight
A hand operated flashlight does not need input from sources like wind…
Build a Scrolling Message Display Circuit
Moving message display units consist of very complicated circuitry and are impossible…
The Superposition Theorem in Electrical Engineering
We live in a world of networks and you surely must be…
The Network Theorems – Thevenin’s Theorem
We studied about the Superposition theorem and Kirchhoff’s laws in previous articles.…
Who was Nikola Tesla?
The credit for inventing alternating electric current (AC), which is used in…
How to Deal with a Victim of Electric Shock
electric shock from a high-voltage source can be fatal. While the victim…
Methods Of Recording On Magnetic Tape
We studied about the principle of operation of magnetic tape recorders and their construction and working…


