This Study section covers the theoretical side of electronics, explaining how circuits work. You can view the pages in order by using the Next Page link at the bottom of every page.
For identification of components and finding their values please see the Components section.
Understanding circuits by breaking them down into sections (or blocks) which perform particular functions.
Learn the circuit symbols.
Learn about these important quantities which are vital to understanding electronics.
Learn how to use voltmeters and ammeters.
Photo © Rapid Electronics
Learn about this property and calculate it for resistors in series and parallel.
Find out about the relationship between voltage (V), current (I) and resistance (R).
| V = I × R |
Find out about the relationship between power (P), current (I) and voltage (V).
| P = I × V |
Properties of electrical signals.
Photo © Rapid Electronics
Learn how they work.
Transducers are input and output devices such as thermistors, LDRs, microphones, LEDs, buzzers and loudspeakers.
Learn how they work.
Learn about this property and calculate it for capacitors in series and parallel.
What are they?
Find out about these types of systems, plus logic signals:
True = 1 = high = on
False = 0 = low = off
Learn about the types of gate, truth tables and combining gates in circuits.
Plus binary numbers.
Electrical quantities with their standard symbols and units.
Also the unit prefixes:
m, µ, n, p, k, M, G, T
