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Question 1 of 15
1. Question
The output Y of a 2bit comparator is logic 1 whenever the 2bit input A is greater than the 2bit input B. The number of combinations for which the output is logic 1, is
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Question 2 of 15
2. Question
Let X(s) = [(3s+5)/(s*s+10s+21)] be the Laplace transform of a signal x(t) then x(0+) is
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Question 3 of 15
3. Question
Let X(z) = z*z*z / (z*z*z – 1) be the Z transform of a casual signal x[n] then the values of x[2] and x[3] are
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Question 4 of 15
4. Question
Let the eigenvalues of a 2 x 2 matrix A be 1, 2 with eigenvectors x1 and x2 respectively. Then the eigenvalues and eigenvectors of the matrix A2 − 3A + 4l would, respectively, be (A2 is square of A)
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Question 5 of 15
5. Question
If the sum of diagonal elements of a 2*2 matrix is 6 then the maximum possible values of determinant of matrix is
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Question 6 of 15
6. Question
What is the effect of lag compensator on the system bandwidth and the signaltonoise ratio?
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Question 7 of 15
7. Question
A3phase,4wire system supplies power to a balanced starconnected load. The current in each phase is 15 A. The current in the neutral wire will be
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Question 8 of 15
8. Question
A linear displacement digital transducer uses
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Question 9 of 15
9. Question
The law/principle in mechanical systems, analogous to Kirchhoff laws in electrical systems, is
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Question 10 of 15
10. Question
In position control systems,the device used for providing rate feedback is called
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Question 11 of 15
11. Question
In which one of the following sets of 3phase transformer connections wall:, zero sequence current be present in die transformer windings?
(a)Primary in star,neutral grounded;secondary in star, neutral not grounded
(b)Primary in star,neutral grounded;secondary in delta
(c)Primary in star,neutral not grounded;secondary in star, neutral grounded
(d)Primary in star,neutral not grounded;secondary in deltaCorrect
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Question 12 of 15
12. Question
In an interconnected power system,the most suitable power plant to meet the peak load condition is
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Question 13 of 15
13. Question
Early effect is the modulation of effective base width by
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Question 14 of 15
14. Question
The register which holds the information about the nature of results of arithmetic or logic operations is called as
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Question 15 of 15
15. Question
All types of linear modulation can be detected by
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