Question
Download Solution PDFThe value of a series resistor is required to limit the current through an LED to 36mA with a forward voltage drop of 3V, when connected to a 12V supply.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
A current always flows from a higher potential to a lower potential point. It is given by:
where, I = Current
VH = Higher Potential
VL = Lower Potential
R = Resistance
Calculation
Given, I = 36 mA
VH = 12 V
VL = 3 V
R = 250 Ω
Last updated on Jun 16, 2025
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