Test: Two Port Network - 2


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10 Questions MCQ Test Network Theory (Electric Circuits) | Test: Two Port Network - 2

Test: Two Port Network - 2 for Electrical Engineering (EE) 2022 is part of Network Theory (Electric Circuits) preparation. The Test: Two Port Network - 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Two Port Network - 2 MCQs are made for Electrical Engineering (EE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Two Port Network - 2 below.
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Test: Two Port Network - 2 - Question 1

The two port matrix of an 1 : n ideal transfer is  It describes the transfer in terms of its

Detailed Solution for Test: Two Port Network - 2 - Question 1

An ideal transfer having turns ratio of 1 : n is shown below.

Here

Also,

or,

Comparing equations (1) and (2) with standard transmission-parameter equations,

Test: Two Port Network - 2 - Question 2

Assertion (A): Simple resistors, inductors and capacitors are linear elements.

Reason (R): The resistances, inductances and capacitances do not change with a change in applied voltage or the circuit current.

Test: Two Port Network - 2 - Question 3

A two port network is not reciprocal if

Test: Two Port Network - 2 - Question 4

Assertion (A): Unilateral elements offer varying impedances with variations in flow of current while bilateral elements offer same impedance irrespective of flow of current.

Reason (R): If the magnitude of the current passing through an element is affected due to change in the polarity of the applied voltage, the element is called unilateral element while if the current magnitude remains the same even if the applied emf’s polarity is changed, it is called a bilateral element

Test: Two Port Network - 2 - Question 5

The  parameters Z11 a nd Z22 of the given T-network shown below are

Detailed Solution for Test: Two Port Network - 2 - Question 5

Comparing equations (1) and (2) with the standard z-parameter equations;

Test: Two Port Network - 2 - Question 6

Match List-1 with List-11 and select the correct answer using the codes given below the lists:

Detailed Solution for Test: Two Port Network - 2 - Question 6

Z-parameter equations are:

and h parameter equations are:

Converting the Z-parameter equations into h-parameter equations, we have:

and

Test: Two Port Network - 2 - Question 7

in a two port network, Y11 is given by

Detailed Solution for Test: Two Port Network - 2 - Question 7

Test: Two Port Network - 2 - Question 8

The value of Z21(s) in the circuit shown below is

Detailed Solution for Test: Two Port Network - 2 - Question 8

input admittance,

As V1(s) = V2{s) therefore,

Test: Two Port Network - 2 - Question 9

A two port network has zero initial conditions. At t = 0; an impulse voltage δ(t) is applied at the input producing a voltage e-2t + e-3t)  u(t) volts at the output. If the output voltage required is te-2t u(t) then, the input voltage will be

Detailed Solution for Test: Two Port Network - 2 - Question 9

Given:
Input voltge,

and output,

Now, impulse response

Given, output 

Using partial fraction expansion, A = 1 and B = -0.5.

Test: Two Port Network - 2 - Question 10

 The Z-parameter of the two port network shown below is given by

Detailed Solution for Test: Two Port Network - 2 - Question 10

Applying KVL in the two (oops,

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