A current of 4.50 a flows through a resistor that has r = 6.20 ω. what is the voltage across the resistor, that is, the potential difference between the two ends of the resistor?

Respuesta :

I = 4.50 amps
R = 6.20 ohms
V = ???

V = I * R

V = 4.5 * 6.2
V = 27.9 volts.