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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 16
6.
The pole-zero plot given below corresponds to a
low pass filter
high pass filter
band pass filter
notch filter
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Given below impulse response of two system
h1(n) = [x(n + 1) - 2x(n) + 3x(n - 1)]
h2(t) = e-2t u(4 - t)
The correct statement is:
h1(n) non causal and stable
h2(t) non causal and stable
h1(n) non causal and stable
h2(t) non causal and non-stable
h1(n) causal and not stable
h2(t) non causal and stable
h1(n) causal and stable
h2(t) non causal and non-stable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The Gain margin for the system with open loop transfer function :
∞
0
1
-∞
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In the circuit shown, what value of RL maximizes the power delivered to RL?
2.4 Ω
4 Ω
6 Ω
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The system which is unstable is __________ .
h(t) = RCt . e-1 u(t)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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