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Test: All Pass And Minimum : Phase Systems - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: All Pass And Minimum : Phase Systems

Test: All Pass And Minimum : Phase Systems for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: All Pass And Minimum : Phase Systems questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: All Pass And Minimum : Phase Systems MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: All Pass And Minimum : Phase Systems below.
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Test: All Pass And Minimum : Phase Systems - Question 1

A minimum phase unity feedback system has a bode plot with a constant slope of -20dB/decade for all frequencies. What is the value of the maximum phase margins of the system?  

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 1

Answer: b
Explanation: For given Bode plot, G(s) H(s) =K/jw
As H(s) =1
PM (maximum) =90°.

Test: All Pass And Minimum : Phase Systems - Question 2

The range of K for the stability of system is 0<K<100. For K =10, The gain Margin of the system

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 2

Answer: a
Explanation: Gain margin of the system is 10.

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Test: All Pass And Minimum : Phase Systems - Question 3

The frequency at which the Nyquist diagram cuts the unit circle is known as:

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 3

Answer: a
Explanation: The frequency at which the Nyquist diagram cuts the unit circle is known as gain cross over frequency.

Test: All Pass And Minimum : Phase Systems - Question 4

The forward path transfer function of a unity feedback system is given by G(s) = 1/(1+s)^2.
What is the phase margin of the system? 

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 4

Answer: d
Explanation: Magnitude at gain cross over frequency is 1 and PM is π rad.

Test: All Pass And Minimum : Phase Systems - Question 5

Consider the following statements:
1. The delay time is the time required to reach 50% of the final value in the first time.
2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.
3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.
Which of these statements are correct?

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 5

Answer: c
Explanation: The rise time is the time required for the response to rise from 10% to 90% of its final value for overdamped systems.

Test: All Pass And Minimum : Phase Systems - Question 6

For minimum phase systems:

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 6

Answer: c
Explanation: For minimum phase systems poles and zeroes must lie on the right s-plane.

Test: All Pass And Minimum : Phase Systems - Question 7

For non-minimum phase systems:

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 7

Answer: d
Explanation: For non-minimum phase systems poles must be on the left and zeroes can be on the right s –plane.

Test: All Pass And Minimum : Phase Systems - Question 8

For all-pass systems:

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 8

Answer: c
Explanation: For all-pass systems poles must lie on the left and zeroes on the mirror image of the pole can be on the right.

Test: All Pass And Minimum : Phase Systems - Question 9

All pass system and minimum phase system constitute_________________

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 9

Answer: c
Explanation: All pass system and minimum phase system constitute non-minimum phase system.

Test: All Pass And Minimum : Phase Systems - Question 10

Minimum phase systems have unique relationship between its phase and magnitude curves

Detailed Solution for Test: All Pass And Minimum : Phase Systems - Question 10

Answer: a
Explanation: Minimum phase system has the least phase angle range for a given magnitude curve.

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