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ISRO EC Exam 2017: Practice Quiz 4

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Question 1

Microprogramming is a technique commonly

Question 2

A system is said to be BIBO stable if Bounded Inputs always yield Bounded Outputs. By this criterion,

As u(t) is bounded but its derivative impulse function is unbounded and its integration is also unbounded at t equal to infinity.

Question 3

If Z transform of x(n) then the Z transform of x(n-k) is ________

Question 4

A transfer function G(s) has pole-zero plot as shown in the figure. the transfer function G(s) will be given by

Question 5

In the circuit, if C1=2μF and C2= 3μF, the equivalent capacitance between points A and B are:

Question 6

The values of R, L and C in series RLC circuit that resonates at 1.5 KHz and consumes 50 W from a 50 V ac source operating at the resonant frequency. The bandwidth is 0.75 KHz.

Question 7

A 440 V 6-pole 50 Hz three-phase induction motor is operating from a 440 V supply and driving a grinding mill, supplying rated HP. The rpm of the motor is approximately equal to

Question 8

$Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image023.png$ x log x is

Question 9

The decoding circuit shown in the figure is has been used to generate active low chip select signal of memory interfaced to 8 bit microprocessor with 16 bit address bus. What is address range and size of memory?
$Description: E:\Gate\isro-cs\ISRO_EC_2013_files\image021.png$

Question 10

A communication channel is having a bandwidth of 3000 Hz. The transmitted power is such that the received Signal-to-Noise ratio is 1023. The maximum data rate that can be transmitted error-free through the channel is:

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ESE & GATE EC General

Jul 21ESE & GATE EC