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Ohm's Law & Power
System Parameters
Voltage (V)
V
Impedance (Z / R)
Ω
Power (P)
W
Key Formulas:
P = V² / R
I = V / R
dBu = 20 log₁₀(V / 0.7746)
dBV = 20 log₁₀(V / 1.0)
dBm = 10 log₁₀(P / 0.001)
Calculated Values
Voltage Level (dBV)
+8.72
dBV
Current
0.354
A
Voltage Level (dBu)
+11.26
dBu
Power Level (dBm)
+30.00
dBm
Power vs Voltage Curve