Question
An LED is placed in the circuit pictured below. You would like to choose a resistor...
An LED is placed in the circuit pictured below. You would like to choose a resistor value for R2 such that the current through the diode is 39mA. If the forward bias threshold voltage for your diode is 3.5V and the input voltage to the circuit is 4.7V, what should the resistance be in Ohms? (To within 5%) LED V1 yo
In the following circuit V4=11 Volts and V5=8 Volts. When the input voltage is 5 Volts, then what will the voltage across the load be when the reference voltage, V7, is 3 Volts? Express your answer in Volts to within 5%. 14 튜 ㅎ OUDE 2 Posts UA741
Answers
when LEn is on cument 1. Vin(lep drop) 4,7-3,5 39710-3. 39 y 10 - Rr. "dez 1,2 = 30.7695 R = 130-7892r 398/03 most vid: vf_VI-V7-5-3=20 output salevated towards is positive supply Since vid so voltuge te vu Ilv Vout:
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