Ohm’s law of electricity states that V = IR, where V = voltage, I = current, and R = resistance.
A) If V = 9 volts and I = 0.5 amps, what is the value of R?
B) Which property of equality allows you to isolate R and I?
C) If V = 110 volts and R = 2200 ohms, what is the value of I?