KeyWords
Voltage
Curreat
Resistance
Power
Laws
V – Voltage
I – Current
R – Resistance
P – Power
Ohm’s Law
V=I*R
V – Voltage
I – Current
R – Resistance
P – Power
Watt’s Law
P=I*V
P – Power
Unit
If you know
I & R Current & Resistance
Then
V = I * R | P = I² * R
I = V / R
R = V / I
more….
Unit
Voltage
Current
Resistance
Power
Unit Symbol
V
I
R
P
Measurements
Volts
Amps
Ohms
Wats
Measurement Symbol
V
A
Ω
W
Series
Current is the same
Voltage adds up
Parallel
Resistance Goes down
Current adds up
voltages is the same
