Ohm's Law: I=V/R

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

Voltage = 120 / Resistance = 12Ω
Current = 10a

Voltage = 480 / Resistance = 12Ω
Current = 40a

Voltage = 240 / Resistance = 8Ω
Current = 30a