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ESE Prelims 2022 Achievers Quiz 11
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Question 1
What is the name of the circuit shown below?
Question 2
A feedback amplifier has an open loop gain of –100 if 4% of the output is fed back in a degenerative loop, what is the closed loop gain of the amplifier?
Question 3
Assertion (A): A passive satellite only reflects back signals.
Reason (R): Communication satellite is a repeater between any transmitting stations and many receiving stations.
Reason (R): Communication satellite is a repeater between any transmitting stations and many receiving stations.
Question 4
Consider a discrete-random variable z assuming finitely many values. The cumulative distribution function, Fz(Z) has the following properties:
1)
2) Fz(Z) is non-decreasing with finitely many jump-discontinuities
3) Fz(Z) is negative and non-decreasing
Which of the above properties is/are correct?
1)
2) Fz(Z) is non-decreasing with finitely many jump-discontinuities
3) Fz(Z) is negative and non-decreasing
Which of the above properties is/are correct?
Question 5
Given a unity feedback system with 
, what is the value of K for a damping ratio of 0.5?
, what is the value of K for a damping ratio of 0.5? Question 6
The black box in the figure shown below consists of a minimum complexity circuit that uses only AND, OR and NOT gates. The function f(x,y,x)=1 whenever x, y are different and 0 otherwise. In addition the 3 inputs x, y, z are never all the same value. Which one of the following equations leads to the correct design for the minimum complexity circuit?
Question 7
Match List-i with List-ii and select the correct answer using the code given below the lists:
List-i
A-
B-
C-
D-
List-ii
1.
2.
3.
4.
List-i
A-
B-
C-
D-
List-ii
1.
2.
3.
4.
Question 8
Statement (I): In a transistor, it is desirable that the carriers contributing to emitter current in the active mode reach the collector terminal.
Statement (II): The conductivity of the base in a transistor is made much smaller than the conductivity of the emitter.
Statement (II): The conductivity of the base in a transistor is made much smaller than the conductivity of the emitter.
Question 9
Find the energy stored inside a parallel plate capacitor with capacitance as 18 nF and plate area as 2 cm2 separated by 0.4 mm thick dielectric having a potential difference of 20 volts.
Question 10
is the frequency response of a discrete time LTI system and 
is the frequency response of its inverse function. Then - 36 attempts
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ESE & GATE ECGeneralJan 26ESE & GATE EC
