Question

If a current of 18 amps produces 720 volts across a resistor, how many volts would a current of 2.5 amps produce across an identical resistor?

Answer 1

Step-by-step explanation:

I=18 A

V=720 volts

R=V/I

R=720/18 = 20 ohm

I= 2.5 A

V= I×R

V=20×2.5

V=50 volts