Ham Radio School Ohm's Law Simulator
Load Component
Semiconductor (LED)
Filament Lamp (50 Ω)
LED Forward Voltage
Red (Vf = 1.8V)
Green (Vf = 2.2V)
Blue (Vf = 3.3V)
White (Vf = 3.0V)
Supply Voltage
5.0 V
Series Resistor
330 Ω
Hide Explanation
-
+
5.0V
BATTERY
330 Ω
I: 0.0 mA
Vf: 1.8V
(Max: 25mA)
I: 0.0 mA
R: 50Ω
(Max: 100mA)
Ohm's Law: I = E / R
Calculation: I = (5.0V - 1.8V) / 330Ω = 9.7 mA
System Ready