Physics, 09.12.2021 15:40 reycaden

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 20mA. If the forward bias threshold voltage for your diode is 3 and the input voltage to the circuit is 4, what should the resistance be in ohms

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An LED is placed in the circuit pictured below. You would like to choose a resistor value for R2 suc...

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