Question
Download Solution PDFA 4.5 V microprocessor is connected to an electrical circuit. The circuit has a resistor in series with a LED. Turn on voltage of the LED is 2.3 V. Assuming that the specified maximum operating current for the circuit is 10 mA, what should be the effective resistance of the resistor?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation
The drop across the resistor (R) is given by:
VR = 2.2 V
The value of the resistor (R) is given by:
R = 220 Ω
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