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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 6
6.
The open loop transfer function of a system is . If the frequency at the intersection of - 40 dB/decade line and 0 dB line is ω, then
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
For low frequencies such that , the log magnitude of factor is 0 dB.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.

Assertion (A): The closeness of G(jω) locus to (- 1 + j0) point can be used as a measured of margin of stability.

Reason (R): When the G(jω) locus comes close to encircling (- 1 + j0) point the system becomes oscillatory.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
For the system of the given figure |G(jω)| = 0 dB at ω =
0
1 rad/sec.
∞
2.38 rad/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The capacitance of a gas pressure vessel is defined as
(change in gas stored) x (change in gas pressure)
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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