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GATE 2022 Toppers Quiz 7
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Question 1Multiple Correct Options
If 
and 
and
then which of the following are correct?
Question 2
An FM signal with a deviation δ is passed through a mixer and has its frequency reduced fivefold. The deviation in the output of the mixer is
Question 3
The diode in the circuit given below has VON = 0.7 V but is ideal otherwise. The current (in mA) in the 4kΩ resistor is______ mA
Question 4
The rank of the matrix 
is?
is?Question 5
A signal as shown in figure is applied to a matched filter. Which of the following does represent the output of this matched filter?
Question 6
Let f(x) =
for real x. From among the following, choose the Taylor series approximation of f(x) around x = 0, which included all powers of x less than or equal to 3.
for real x. From among the following, choose the Taylor series approximation of f(x) around x = 0, which included all powers of x less than or equal to 3. Question 7
The open-loop transfer function of a dc motor is given as 
. When connected in feedback as shown below, the approximate value of Ka that will reduced the time constant of the closed loop system by one hundred times as compared to that of the open-loop system is
. When connected in feedback as shown below, the approximate value of Ka that will reduced the time constant of the closed loop system by one hundred times as compared to that of the open-loop system is Question 8
The direct form structure of an FIR (finite impulse response) filter is shown in the figure. The filter can be used to approximate a
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ESE & GATE ECGeneralDec 19ESE & GATE EC
