Electricity 101: A Complete Beginner’s Guide
This guide explains the basic quantities: Watts, amps, volts, ohms and kWh
Published in
23 min readSep 20, 2021
Understanding the Basics
This guide for consumers and students explains all about volts, amps and watts and how they apply to home appliances and circuits. The equations are really quite simple, and you’ll find some examples on how to apply them to home appliances.
If you’re not a Medium subscriber, you can read this story on Dengarden here:
How to Understand Electricity: Volts, Amps, Watts and Electrical Appliances
In this tutorial, you’ll learn about:
- volts, watts, amps
- power consumption of appliances and kilowatt hours (kWh).
- Ohm’s law and resistance
- resistivity and how it affects the resistance of a material
- fuses and how they protect wiring and appliances
- how electricity is produced
- devices used to measure voltage, current and resistance
- the effects of electric and magnetic fields
- conductors, insulators and superconductors
- the basics of AC and DC