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ISRO Quiz - 2
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Question 1
Consider a signal x(n) having Z Transform X(Z) with ROC ‘R’. What will be the ROC of x (-n)
Question 2
If the response of continuous time LTI system to unit step signal is 
for t ≥ 0, then impulse response of the system at origin (t = 0) is _______.
for t ≥ 0, then impulse response of the system at origin (t = 0) is _______. Question 3
The unit impulse response of a second order system is 
. The natural frequency and damping ratio of the system are respectively
. The natural frequency and damping ratio of the system are respectively
Question 4
The state variable of a system is given by the following equation 
= 
+ 
y=
If the given system is said to be uncontrollable, the value of "a+10" would be
= + y=
If the given system is said to be uncontrollable, the value of "a+10" would be
Question 5
A digital to analog converter has 8V full scale output voltage and on accuracy of ± 0.2%. The maximum error for any output voltage will be …………. mV.
Question 6
A 3 line - to - 8 line decoder with active low outputs is used to implement a 3 variable boolean functions as shown in the figure.
The simplified form of Boolean function f(X, Y, Z) implemented in “Product of Sum” form will be?
Question 7
Eddy current losses can be minimized by selecting?
Question 8
A Wheatstone bridge requires a change of 7 Ω in the unknown resistance arm of the bridge to produce a change in deflection of 3 mm of the galvanometer. The sensitivity and the deflection factor will be nearly
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ESE & GATE EEGeneralMar 6ESE & GATE EE
