Question
Download Solution PDFFor the identical silicon diodes (assuming rf to be zero), the value of V2 is in figure:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
At forward bias condition → Diode should be replaced with a battery source of value equal to its barrier potential(for silicon 0.7 V)circuit and the equivalent forward resistance rf.
At reverse bias condition → Diode should be replaced with an open circuit.
Concept:
Here;
Diode D1 and D2 are in forward-biased condition;
Apply KVL on the given loop;
-20 + 0.7 + 0.7 + V2 = 0
∴ V2 = 20 -0.7 -0.7 = 20 - 1.4 = 18.6 V
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