Electrical Concepts


What is Voltage?
What is an Ideal Voltage Source?
What is a Constant Voltage Source?
What is an Ideal Current Source?
What is a Constant Current Source?
What is Open Circuit Voltage?
What is Bias Voltage?
What is Negative Voltage?
What is an Electric Current?
How Can You Create Low Voltage But High Current?
Why are Sine Waves So Used and Important?
What is a Kilowatt (KW)?
What is a Kilowatt Hour (KWh)?
RMS Voltage and Current- Explained
What is Peak Voltage?
What is Peak-to-Peak Voltage (VPP)?
How to Increase Voltage in a Circuit
How to Reduce Voltage with Resistors
How to Obtain Negative Voltage from a DC Power Supply or Battery
How to Read a Digital Voltage in Circuitry

Power circuits
Current Divider Circuit

Circuits to Handle Power
How to Build an Overvoltage Protection Circuit
How to Build a Transient Voltage Suppressor (TVS) Circuit

Current Divider Calculator
Resistivity Calculator
Voltage Divider Calculator
Capacitor Voltage Divider Calculator
Voltage RMS Calculator
Peak Voltage (VP) Calculator
Peak to Peak (VPP) Calculator
Potential Energy Calculator
Electric Potential Energy Calculator
Kinetic Energy Calculator
Work Calculator
Ohm's Law Calculator
Power Calculator

Power for Computers
How Many Volts Does a USB Port Supply?
How Much Power Does a USB Port Supply?