For the positive half cycle i.e., 0 -> T/2, the diode D:
Correct answer: B. Is forward biased
- A. Is reverse biased
- B. Is forward biased
- C. Behaves as open
- D. Shows maximum resistance
Explanation
The correct statement is B. Is forward biased. During the positive half cycle of an AC input in a rectifier circuit, the diode should be forward biased to allow current to flow and rectify the AC signal.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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