**Electrical Concepts**

**Power**

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 (V_{PP})?

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

Why Transistors Need Biasing

Why Driving a P-channel MOSFET is Easier Than an N-channel MOSFET

How to Calculate the Capacitance or Inductance of an LC Resonant Circuit

When to Use a 24V or 48V Battery System Instead of a 12V System

How to Calculate the Maximum Output Power of a Power Inverter

How to Increase the Power Output of Your DC Power Supply

Paralleling of MOSFET Transistors in Power Electronics

Why Is it Advantageous for Switching Power Supplies to Operate at High Frequencies?

Switching Power Supply Operation Modes

How to Build a First Battery Management System Circuit for a 1 Cell Lithium Battery

Charge Current of a Battery Management System

How to Build a 1-Cell Lithium Ion Battery Standalone Charger

**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

How to Build a Current Sensor Circuit with an External Amplifier for a BMS

**Calculators**

Current Divider Calculator

Resistivity Calculator

Voltage Divider Calculator

Capacitor Voltage Divider Calculator

Voltage RMS Calculator

Peak Voltage (V_{P}) Calculator

Peak to Peak (V_{PP}) Calculator

Potential Energy Calculator

Electric Potential Energy Calculator

Kinetic Energy Calculator

Work Calculator

Ohm's Law Calculator

Power Calculator

**Simulators**

Logic Gate Operation Simualtor

**Power for Computers**

How Many Volts Does a USB Port Supply?

How Much Power Does a USB Port Supply?