Diode 1

Electricity and Magnetism Level 2

What is the value of V r V_r ?

Assume a non-ideal silicon based diode.

65.4 45 39.8 41.5

Brandon Louw by Brandon Louw , 29, South Africa

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1 solution

Brandon Louw
Jun 18, 2016
  • Diode voltage drop is 0.7V
  • 120 - 0.7 = 119.3 V
  • Rt = 15 ohm
  • It = 7.953 A
  • Vdrop = 7.953 * 10 = 79.53V
  • Vr = 120 - 0.7 - 79.53 = 39.8V
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Brandon, you meant a practical silicon diode, right?

Abhay Tiwari - 4 years, 12 months ago

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Yes your standard practical diode sorry, probably had to say that

Brandon Louw - 4 years, 12 months ago

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Well, you can still edit it.

Abhay Tiwari - 4 years, 12 months ago

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@Abhay Tiwari – I meant before releasing the problem, it rendered the question unanswerable without stating the condition. Anyway, its fixed, thanks for asking the question Abhay

Brandon Louw - 4 years, 12 months ago

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@Brandon Louw – you are always welcomed! :)

Abhay Tiwari - 4 years, 12 months ago

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