**Circuit Concepts**

**Circuit Elements/Concepts**

What is the Nominal Value of a Component?

What is a Live Circuit?

Why does a Circuit Always Have to Have Ground?

What is the Admittance of a Circuit?

What is Impedance?

How to Increase Voltage in a Circuit

Source Transformation of Circuits

What is an Active Low Device?

What is an Active High Device?

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

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

**Circuit Analysis**

AC Circuit Analysis- Time to Frequency Domain Conversion

Kirchhoff's Voltage Law (KVL)

Kirchhoff's Current Law (KCL)

Superposition Theorem

Thevenin's Theorem

Norton's Theorem

**Specialized Circuits**

High Pass Filter

Low Pass Filter

Differential Circuits

Logic Gates

How to Build a NOT Gate with a Transistor

How to Build an AND Gate with Transistors

How to Build a NAND Gate with Transistors

How to Build an OR Gate with Transistors

How to Build a NOR Gate with Transistors

**Circuit Calculators**

Impedance Calculator

Impedance Matching Calculator

Time Constant Calculator

Cut-off Frequency Calculator

Low Pass Filter Calculator

High Pass Filter Calculator

Decibel (dB) Calculator

Center of Mass Calculator

Electric Field Calculator

Electric Force Calculator

Magnetic Flux Calculator

Magnetic Force Calculator

Torque Calculator