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This comprehensive guide covers fundamental concepts of electricity, including circuits, current, voltage, and resistance. Explore the difference between series and parallel circuits, the flow of electrons (current in amperes), and the driving force (voltage in volts) that pushes them. Learn about resistance in ohms, how it affects energy flow, and the importance of mains electricity and the national grid. Additionally, gain insights into wiring a plug, fuses, safety practices, and the cost of electricity—key knowledge for anyone interested in understanding electrical systems.
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1. Electricity
2. Contents Circuits
Current in a Series Circuit
Current in a Parallel Circuit
Voltage in a Series Circuit
Voltage in a Parallel Circuit
Resistance through Components
Charge in Circuits
Energy in Circuits
Mains Electricity
National Grid
Wiring a Plug
Fuses and Safety
Cost of Electricity
3. Circuits Current, I flow of electrons around the circuit (Amps) (how fast the electrons travel around) Voltage, V Driving force that pushes electrons (Volts) (electrical pressure) Resistance, R Slows down the electrons (Ohms) (resists the flow of the electrons)