Electronics and Communication Engineering - Exam Questions Papers - Discussion


Consider the following statements:
To draw a.c. equivalent circuit of a transistors, all

  1. d.c. sources are shorted
  2. a.c. sources are shorted
  3. d.c. sources are opened
  4. a.c. sources are connected to d.c. sources
Which of the above statements is/are correct?

[A]. 2 and 4
[B]. 1 and 2
[C]. 1 only
[D]. 3 and 4

Answer: Option C


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