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BARC 2018 ECE: Mini Mock 2
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Question 1
The transfer function of a phase-lead compensator is given by
The maximum phase-shift provided by such a compensator is:
The maximum phase-shift provided by such a compensator is:
Question 2
Consider the differential equation
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Given x(0) = 20 and x(1) = 10/e, where e = 2.718, the value of x(2) is ________.
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Given x(0) = 20 and x(1) = 10/e, where e = 2.718, the value of x(2) is ________.
Question 3
If each stage had gain of 10dB and noise figure of 10dB, then the overall noise figure of two-stage cascade amplifier will be
Question 4
If x and y are two random signals with zero mena Gaussina distribution having identical standard deviation, the phase angle between them is
Question 5
A transfer function G(s) has pole-zero plot as shown in the figure. the transfer function G(s) will be given by
Question 6
Calculate the value of feedback resistance (Rf) with R1 = 20 KΩ, R2 = 10KΩ, Vo = 15V, Vi = 10V as given in the figure _____ (KΩ)
Question 7
Minimum number of bits required to represent maximum value of given analogue signal with 0.1% accuracy is:
Question 8
The effective resistance faced by the voltage source is :
Question 9
A standard air filled rectangular wave guide has a dimension for which a=2b, the cutoff frequency for TE02 mode is 12GHz, the cutoff frequency for TE01 mode is __________ GHz.
Question 10
The feedback configuration and the pole-zero locations of are shown below. The root locus for negative values of k, i.e. for –∞< k < 0, has breakaway/break in points and angle of departure at pole P (with respect to the positive real axis) equal to
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