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UPPCL AE 2018: Quiz 22
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Question 1
For a class-A FET power amplifier with 10 V drain supply and 2 A drain current bias providing RF load current of 1 A emplitude. What is the DC to RF efficiency for load resistance of 
?
?Question 2
In order that maximum of energy received by the line be transferred to the load, it is essential to obtain the conditions under which losses and distortion on the line be:
Question 3
The shift register shown in figure is initially loaded with the bit pattern 1010. Subsequently the shift register is clocked and with each clock pulse the pattern gets shifted by one bit position to the right. With each shift, the bit at the serial input is pushed to the left nost position (msb). After how many clock pulse will the content of the shift register became 1010 again?
Question 4
Two communication antennas A and B, are operating at 300 MHz and other at 3 GHz respectively and having same gain, are illuminated with identical flux density of -100 dBW/m2. What is the relation between the received powers (PA : PB)?
Question 5
A voltage source having an open-circuit voltage of 150 V and internal resistance of 75 Ω, is equivalent to a current source of
Question 6
Darlington circuit is obtained by connecting in cascade:
Question 7
For a fast communication which of the following requirements have to be met
Question 8
A causal LTI system is described by the difference equation
The system is stable only if
The system is stable only if
Question 9
Who among the following has been awarded the 'Rajiv Gandhi Khel Ratna Award' for the year 2016?
Question 10
In the question three statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement 1: Some apple are red.
Statement 2: All red are food.
Statement 3: All sweet are food.
Conclusion I: Some apple are sweet.
Conclusion II: Some food are apple.
Statement 1: Some apple are red.
Statement 2: All red are food.
Statement 3: All sweet are food.
Conclusion I: Some apple are sweet.
Conclusion II: Some food are apple.
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ESE & GATE ECGeneralApr 29ESE & GATE EC
