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Circuit Analysis Cheat Sheet (DRAFT) by

D/C, A/C circuit formulas and reference

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Engine­ering Prefixes

PREFIX
SYMBOL
CONVERSION
peta
P
1015
tera
T
1012
giga
G
109
mega
M
106
kilo
k
103
basic unit
-
1
centi
c
10-2
milli
m
10-3
micro
µ
10-6
nano
n
10-9
pico
p
10-12
femto
f
10-15
atto
a
10-18

Resistance Formulas

Ohm's Law
V=IR
Parallel Resistors
Rt=1/(­1/R­1+1­/R2­+...1/Rn)
Series Resistors
Rt = R1+R2+...Rn