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2 marksThe p-n Junction Diode

CAPE Physics Unit 2 · 2003 · Paper 1 · Question 4(c)(i)a)

Figure 3 shows a combination of two silicon diodes in a circuit. Figure 4 shows the characteristic I-V curve for the diodes.

Calculate the value of the output voltage, V_0, when V_i = 10 V.

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Other parts of this question

  1. 4(a)(i)Explain what is meant by a P-type semiconductor.[1 mark]
  2. 4(a)(ii)Explain what is meant by an N-type semiconductor.[1 mark]
  3. 4(a)(iii)Explain what is meant by doping, as applied to semiconductors.[1 mark]
  4. 4(a)(iv)Explain what is meant by the depletion region.[1 mark]
  5. 4(b)Suggest ONE application of a p-n junction diode.[1 mark]
  6. 4(c)(i)b)Calculate the value of the output voltage, V_0, when V_i = -10.0 V.[1 mark]
  7. 4(c)(ii)Sketch the output when V_i = 10 sin(omega * t), where omega = 100 rad s^-1, including appropriate numerical values on the scales.[2 marks]

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