Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 20 (Q.No. 3)
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?
2 and 4
1 and 2
1 only
3 and 4
Answer: Option
No answer description is available. Let's discuss.
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