Electronics and Communication Engineering - Exam Questions Papers
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- Exam Questions Papers - Exam Paper 2
1.
Compared to a p-n junction with NA = ND = 1014/cm3, which one of the following statements is TRUE for a p-n junction with NA = ND = 1020/cm3?
2.
Which of the following are universal gates?
- NAND
- NOR
- XOR
3.
Consider the following statements:
To draw a.c. equivalent circuit of a transistors, all
To draw a.c. equivalent circuit of a transistors, all
- d.c. sources are shorted
- a.c. sources are shorted
- d.c. sources are opened
- a.c. sources are connected to d.c. sources
4.
How many number of branches the root loci of the equation s(s + 2)(s + 3) + K(s + 2) = 0 have?
5.
For the circuit of the following figure, with an ideal op-amp, the maximum phase shift of the output with reference to the input is :


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