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4 marksThe p-n Junction Diode

CAPE Physics Unit 2 · 2002 · Paper 2 · Question 2(a)(i)

Rectifier circuits using diodes.

Draw a circuit diagram to show how to achieve full-wave rectification using four diodes.

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Other parts of this question

  1. 2(a)(ii)Explain how this circuit can be modified to provide half-wave rectification.[2 marks]
  2. 2(b)(i)Briefly describe what happens to D1 and D2 as 1 cycle of voltage Vs is applied to the circuit.[2 marks]
  3. 2(b)(ii)Sketch the waveform expected on the cathode ray oscilloscope (c.r.o.) across the output Vo.[1 mark]
  4. 2(b)(iii)Compare the output waveforms from 2(a)(i) and 2(b)(i).[1 mark]

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