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This mock test of Test: Two Port Network for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam.
This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Two Port Network (mcq) to study with solutions a complete question bank.
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QUESTION: 1

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

Solution:

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,

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.

Solution:

QUESTION: 3

A two port network is not reciprocal if

Solution:

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

Solution:

QUESTION: 5

The parameters Z_{11} a nd Z_{22} of the given T-network shown below are

Solution:

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

QUESTION: 6

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

Solution:

Z-parameter equations are:

and h parameter equations are:

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

and

QUESTION: 7

in a two port network, Y_{11} is given by

Solution:

QUESTION: 8

The value of Z_{21}(s) in the circuit shown below is

Solution:

input admittance,

As V_{1}(s) = V_{2}{s) therefore,

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

Solution:

Given:

Input voltge,

and output,

Now, impulse response

Given, output

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

QUESTION: 10

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

Solution:

Applying KVL in the two (oops,

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