Ohm's Law: I=V/R

In this section, you can test your knowledge of the resistance calculation.
Click the "Reveal" buton to reveal the answer.

Voltage = 120v / Current = 15a
Resistance = 8Ω

Voltage = 120v / Current = 20a
Resistance = 6Ω

Voltage = 240v / Current = 40a
Resistance = 6Ω