# Electrical engineering-Network Theory Set/7 Sample Test,Sample questions

1.0.25 mA

2.0.35 mA

3.0.125 mA

4.1 mA

## Question: ``` Poles or zeros lying on the jÏ‰ axis must be? ```

1.complex

2.at least one complex pole

3. at least one complex zero

4.simple

## Question: ``` The Theveninâ€™s equivalent of a network is a 10 V source in series with 2 Î© resistances. If a 3 Î© resistance is connected across the Theveninâ€™s equivalent is _____________ ```

1.10 V in series with 1.2 Î© resistance

2.6 V in series with 1.2 Î© resistance

3.10 V in series with 5 Î© resistance

4.6 V in series with 5 Î© resistance

1.0.56 mA

2.5.6 mA

3.6 mA

4.5 Î¼A

1.2221.44 A/s

2.0

3.-2221.44 A/s

4. -3141.6 A/s

1.âˆž

2.2

3. 0

4.1

## Question: ```A network contains linear resistors and ideal voltage source S. If all the resistors are made twice their initial value, then voltage across each resistor is __________ ```

1.Halved

2.Doubled

3.Increases by 2 times

4.Remains same

1.A = D

2.A = 2 D

3.A = 3 D

4.A = 4 D

1.0

2. 24.14 A

3.10 A

4.14.14 A

1.1 W

2.11 W

3.21 W

4.24.5 W

1.10 A

2.7.07 A

3.5 A

4.0 A

1.10 rectangular

2.5 rectangular

3.5 triangular

4.10 triangular

## Question: ```Barletts Bisection Theorem is applicable to ___________ ```

1.Unsymmetrical networks

2.Symmetrical networks

3.Both unsymmetrical and symmetrical networks

4.Neither to unsymmetrical nor to symmetrical networks

4.0

1.8

2.12

3.7

4.5

## Question: ```Consider a series RL circuit in which current 12 A is flowing through R and current 16 A is flowing through L. The current supplied by the sinusoidal current source I is ____________ ```

1.28 A

2.4 A

3.20 A

4.Cannot be determined

1.1 A

2.2 A

3.0 A

4.Infinity

## Question: ```For a 2 port network, the transmission parameters are given as 10, 9, 11 and 10 corresponds to A, B, C and D. The correct statement among the following is? ```

1.Network satisfies both reciprocity and symmetry

2.Network satisfies only reciprocity

3.Network satisfies only symmetry

4.Network satisfies neither reciprocity nor symmetry

1.Not possible

2. 4

3.3

4. 2

1.2.38 V

2.1.19 V

3.1.6 V

4.3.2 V

1.Half

2.Twice

3.Four times

4. One-fourth

1.m+n

2.m-n

3.m

4.n

1.n

2.m

3.n-m

4.n+m

## Question: ```If the poles or zeros are not repeated, then the function is said to be having __________ poles or ________ zeros. ```

1.simple, multiple

2.multiple, simple

3.simple, simple

4.multiple, multiple

## Question: ```If the poles or zeros are repeated, then the function is said to be having __________ poles or ________ zeros. ```

1.multiple, multiple

2.simple, simple

3.multiple, simple

4.simple, multiple

## Question: ```If the real part of driving point function is zero, then the pole and zero must be? ```

1.complex

2.simple

3.one complex pole

4.one complex zero

## Question: ```In a transfer function, the degree of numerator polynomial is ___________ than the degree of the denominator polynomial. ```

1.greater than

2.less than

3.equal to

4.less than or equal to

1. zero

2.1

3.2

4.3

1.1

2. 2

3.3

4.zero

1.Conductivity

2.Resistivity

3.Retentivity

4.Coercivity

## Question: ```The coefficients of numerator polynomial and the denominator polynomial in a transfer function must be? ```

1.real

2. complex

3.at least one real coefficient

4.at least one complex coefficient

## Question: ```The driving point function is the ratio of polynomials in s. Polynomials are obtained from the __________ of the elements and their combinations. ```

1.transform voltage

2.transform current

3.transform impedance

1.108 W

2. 1080 W

3.10800 W

4.108000 W

1.âˆž

2.0

3.1

4.2

1.1

2.2

3.0

4.âˆž

## Question: ```The number of zeros including zeros at infinity is __________ the number of poles including poles at infinity. ```

1.greater than

2.equal to

3.less than

4.greater than or equal to

1.0

2.1

3.2

4.âˆž

1.x

2. y

3.z

4.w

1.short circuit

2.voltage source

3.open circuit

4.current source

## Question: ```The real part of all zeros and poles must be? ```

1.positive or zero

2.negative or zero

3. positive

4. negative

## Question: ```The real parts of all poles and zeros in a driving point function must be? ```

1.zero

2.negative

3.zero or negative

4.positive

## Question: ```The relation AD â€“ BC = 1, (where A, B, C and D are the elements of a transmission matrix of a network) is valid for ___________ ```

1.Both active and passive networks

2.Passive but not reciprocal networks

3.Active and reciprocal networks

4.Passive and reciprocal networks

1.G

2.H

3.I

4.J

## Question: ```The short-circuit admittance matrix of a two port network is as follows. [0; -0.5; 0.5; 0] Then the 2 port network is ____________ ```

1.Non-reciprocal and passive

2.Non-reciprocal and active

3.Reciprocal and passive

4.Reciprocal and active

1.3

2.2

3.1

4. 0

1.current source

2.open circuit

3.voltage source

4.short circuit

1.0.3 V

2.0.5 V

3.1 V

4.1.5 V

## Question: ```Two networks are connected in series parallel connection. Then, the forward short-circuit current gain of the network is ____________ ```

1.Product of Z-parameter matrices

2.Sum of h-parameter matrices

3.Sum of Z-parameter matrices

4. Product of h-parameter matrices

1.active ports

2.passive ports

3. one port

4.three port

1.three port

2.one port

3.passive ports

4.active ports

## More MCQS

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