Ohm's Law: Voltage & Current
I know voltage and current. Solve for resistance and power.
R = V / I, P = V × I
Common Voltage & Current Calculations
12V, 1AR=12Ω, P=12W12V, 5AR=2.4Ω, P=60W24V, 2AR=12Ω, P=48W120V, 5AR=24Ω, P=600W120V, 10AR=12Ω, P=1,200W120V, 15AR=8Ω, P=1,800W120V, 20AR=6Ω, P=2,400W240V, 10AR=24Ω, P=2,400W240V, 20AR=12Ω, P=4,800W240V, 30AR=8Ω, P=7,200W480V, 10AR=48Ω, P=4,800W480V, 50AR=9.6Ω, P=24,000W
