Question

A 4000-? resistor is connected across a 220-V power source. What current will flow through the resistor?

Answer 1

55 mA

Step-by-step explanation:

Ohm's law states:

V = IR

where V is voltage, I is current, and R is resistance.

220 V = I (4000 Ω)

I = 0.055 A

I = 55 mA