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Semiconductor Electronics

Energy bands, intrinsic and extrinsic semiconductors, p-n junctions, diode characteristics and rectifiers.

Questions
10
Duration
15 min
Maximum marks
40
Marking
+4 / −1

Instructions

  1. 1

    The test opens in fullscreen when you press Start. Keep it in fullscreen until you submit.

  2. 2

    Switching tabs, minimising the browser, opening another app or window, leaving fullscreen or reloading the page counts as leaving the test.

  3. 3

    Every time you leave, you get a warning. You have 3 warnings. If you leave again after the last one, your test is submitted automatically.

  4. 4

    The timer keeps running the whole time, including while a warning is on screen. At zero, the test is submitted automatically.

  5. 5

    Marking: +4 for a correct answer, −1 for a wrong answer and 0 for a question you leave unanswered.

  6. 6

    Your answer is saved as soon as you pick an option. Use "Mark for review" to flag a question you want to come back to.

Topics covered

  • Energy bands
  • Doping
  • p-n junction
  • Diode characteristics
  • Rectifiers