For the circuit in the figure, what should be the value of R2 so that the current passing through the silicon diode (which has Vd= 0.67 Volts) is 250uA

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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ISBN:9781337399128
Author:Russell E. Smith
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Chapter17: Commercial And Industrial Air-conditioning Control Systems
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5. For the circuit in the figure, what should be the value of R2 so that the current passing through the silicon diode (which has Vd= 0.67 Volts) is 250uA

+12V
+V
R1
30k
R2
D1
R3
7.5k
411
Transcribed Image Text:+12V +V R1 30k R2 D1 R3 7.5k 411
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