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UPPCL AE 2019: Technical Quiz 14

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Question 1

In the two-port network of figure, which of the following z-parameters depends on α?

Question 2

The block diagram shown is that of an oscillator. Find A and

for sustained oscillation.

Question 3

For 0≤t<∞ the maximum value of the function f(t)= e^-t-2e^-2t occurs at

Question 4

The bridge method commonly used for finding mutual inductance is

Question 5

In the following circuit, choose the

and

as state variable. State equation is given in the form of

. Choose the correct option.

Question 6

In the circuit given below, for what value of R_L maximum power is transferred and also find the maximum power.

Question 7

Determine the surface charge density (in C/m²) on a conductor if the conductor is dipped into a liquid having

= 60

₀. (Given: The conductor is perfect in nature, and the surface of the conductor is having electric field equal to 4V/m.)

Question 8

If it is possible to transfer the system state x(t₀) to any desired state x(t) in specified finite time by a control vector u(t), then the system is said to be

Question 9

The transfer function of first order system as shown will be:

Question 10

A 3-phase synchronous motor has 12 poles and operates from 440 V, 50 Hz supply. If it takes a line current of 100 A at 0.8 power factor leading, its speed and torque are nearly

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ESE & GATE EE General

Jul 20ESE & GATE EE