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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 13
11.
Consider the following network function

In order to make N(s) as rational network function, it is essential to include
zero at origin
zero at infinity
pole at origin
pole at infinity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
For the polynomial P(s) = s5 + s4 + 2s3 + 2s2 + 3s + 15 The number of roots which lie in the right half of the s plane is :
4
2
3
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Noise with double-sided power spectral density of K overall frequencies is passed through a RC low pass filter with 3 dB cut-off frequency of fc. The noise power at the filter output is
K
Kfc
Kpfc
∞
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The energy stored in a magnetic field is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Which of the following describe the correct properties of an emitter follower circuit?
  1. It is a voltage series feedback circuit.
  2. It is a current series feedback circuit.
  3. Its voltage gain in less than unity.
  4. Its output impedance is very low.
Select the correct answer from the codes given below:
1, 3 and 4
2, 3 and 4
2 and 3 only
2 and 4 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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