Workshop: Introduction to electronics
learn schematics, simple circuit analysis, how to solder
Intro into Electronics
Contents
Basics of Electricity and Electronics
To understand electronics one must first understand electricity. Electricity is the movement of electron wave fronts. There are three main quantities used in measuring electricity, those being, Voltage, Current, and Resistance.
Volts
volts or voltage are energy per charge, it is measured in either AC or DC, depending on the power source, its unit is V, and its variable is also V.
Current
Current is charge per time, it is measured in amps, its unit is A, and its variable is I.
Resistance
Resistance is the opposition to current flow, its unit is omega, and its variable is R
Equations and laws
The way Volts, Current, and Resistance are equated is through various laws. Some of those laws being Ohms law, Kirchhoff’s voltage law, Kirchhoff’s current law, and the voltage divider law.
Ohms Law V=IR and P=IV "V" volts "I" Current "R" Resistance "P" Power This law equates volts, Current, Resistance, and Power Kirchhoff’s voltage law the sum of all the voltage is equal to 0 ΣV=0 This law is primarily used when current is split between nodes