Physics 2012 Jamb Examination
Physics 2012 Jamb Examination
Question 41
If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is
A. increased — applying a reverse bias widens the depletion layer as more charge carriers are pulled away from the junction.
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Question 42
I. Small size.
II. Low power requirement
III. Not easily damaged by high temperature
IV. Highly durable.
Which of the above are the advantages of semiconductors?
II. Low power requirement
III. Not easily damaged by high temperature
IV. Highly durable.
Which of the above are the advantages of semiconductors?
C. I, II and IV only — semiconductors are small, require low power, and are durable, but they are sensitive to high temperatures.
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