Formulas

Current (I) (amps)

Parallel	IT = I1 + I2 + I3
Ohms law	I = V/R
Series	IT = I1 = I2 = I3

 

 

Voltage (V) (Volts)

Voltage drop across each resistor	V = I x R

 

Power

(W) (Watts)

Power dissipated by a resistor	P = I x V