Electromotive Force / Voltage
Intensity of Flow / Amperage / Current
Resistance in Ohms
E
I
R
=
=
=
I x R
E ÷ R
E ÷ I
The voltage is equal to the amperage multiplied by the resistance
The current is equal to the voltage divided by the resistance
The resistance is equal to the voltage divided by the current
P
I
E
=
=
=
Power / Watts
Intensity of Flow / Amperage / Current
Electromotive Force / Voltage
P
I
E
=
=
=
I x E
P ÷ E
P ÷ I
The power is equal to the voltage multiplied by the amperage
The amperage is equal to the power divided by the voltage
The voltage is equal to the power divided by the amperage