I'll try to clarify with simple example

First the formula most basic to us is Ohms Law - that is Amps (I) times Impedance (R for resistance in Ohms) equals Voltage (V) so I x R = V so 5 Amps x 2.4 Ohms = 12 Volts. A 60Watt headlamp perhaps?

That can be fli... Login to read more.