A full wave rectifier along with the output is shown in Fig. The contribution (s) from the diode 1 are:

Correct answer: C. C,B,D

  • A. C
  • B. A
  • C. C,B,D
  • D. A,B,C,D

Explanation

Considering the typical behavior of a full wave rectifier, option 3 (CBD) is the most likely correct answer. In a full wave rectifier circuit, each diode conducts during a half-cycle of the input waveform, resulting in rectification. However, due to the presence of ripple, the output will have fluctuations.Option 1 (C) is unlikely since a constant DC component without any ripple is not a characteristic of a full wave rectifier.Option 2 (A) assumes that diode 1 does not play a role in the rectification process, which contradicts the purpose of a full wave rectifier.Option 4 (ABCD) suggests a smooth DC output without any ripple, which is not typically achieved in a full wave rectifier unless additional filtering components, such as capacitors, are added to the circuit.

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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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