student sets up the circuit below to activate the 3 diodes. VDD = 5V, Vtn = 1V kn = 2mA/V2 a.) Explain how changing the state of the switch affects the didoes. b.) If the diodes each have a forward voltage of 0.7 volts and a maximum current of 20mA, what is the smallest value of R that will ensure that the diodes will not be damaged?


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