Consider a circuit having resistance 10 kâ„¦, excited by voltage 5 V and an ideal switch S. If the switch is repeatedly closed for 2 ms and opened for 2 ms, the average value of i(t) is ____________

1.0.25 mA

2.0.35 mA

3.0.125 mA

4.1 mA

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

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

A 10 Î¼F capacitor is charged from a 5 volt source through a resistance of 10 kÎ©. The charging current offer 35 m sec. If the initial voltage on C is â€“ 3 V is ___________

1.0.56 mA

2.5.6 mA

3.6 mA

4.5 Î¼A

A 50 Hz current has an amplitude of 25 A. The rate of change of current at t = 0.005 after i = 0 and is increasing is ____________

1.2221.44 A/s

2.0

3.-2221.44 A/s

4. -3141.6 A/s

A function N (S) is said to have a pole (or zero) at infinity if the function N (1/S) has a pole (or zero) at S = ?

1.âˆž

2.2

3. 0

4.1

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

A network is said to be symmetrical if the relation between A and D is?

1.A = D

2.A = 2 D

3.A = 3 D

4.A = 4 D

A particular electric current is made up of two components a 10 A, a sine wave of peak value 14.14 A. The average value of electric current is __________

1.0

2. 24.14 A

3.10 A

4.14.14 A

A periodic voltage v (t) = 1 + 4 sin Ï‰t + 2 cos Ï‰t is applied across a 1â„¦ resistance. The power dissipated is ____________

1.1 W

2.11 W

3.21 W

4.24.5 W

A resistance and an inductance are connected in parallel and fed from 50 Hz ac mains. Each branch takes a current of 5 A. The current supplied by source is ____________

1.10 A

2.7.07 A

3.5 A

4.0 A

A triangular Pulse of 50 V peak is applied to a capacitor of 0.1 F. The change of the capacitor and its waveform shape is ___________

1.10 rectangular

2.5 rectangular

3.5 triangular

4.10 triangular

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

Consider a circuit having resistances 16 â„¦ and 30 â„¦is excited by a voltage V. A variable resistance R is connected across the 16 â„¦ resistance. The power dissipated in 30 Î© resistance will be maximum when value of R is __________

1.30 Î©

2. 16 Î©

3.9 Î©

4.0

Consider a cube having resistance R on each of its sides. For this non-planar graph, the number of independent loop equations are _______________

1.8

2.12

3.7

4.5

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

Consider an RL series circuit having resistance R = 3 â„¦, inductance L = 3 H and is excited by 6V. The current after a long time after closing of switch is ____________

1.1 A

2.2 A

3.0 A

4.Infinity

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

How many incandescent lamps connected in series would consume the same total power as a single 100 W/220 V incandescent lamp. The rating of each lamp is 200 W/220 V?

1.Not possible

2. 4

3.3

4. 2

If for a circuit the value of the h parameter is given as h = [8, 2/3; -2/3, 4/9]. Then the value of the voltage source V is _________________

1.2.38 V

2.1.19 V

3.1.6 V

4.3.2 V

If the diameter of a wire is doubled, the current carrying capacity of the wire is ___________

1.Half

2.Twice

3.Four times

4. One-fourth

If the number of poles (m) are greater than the number of zeros (n), then there will be _________ number of zeros at s = âˆž.

1.m+n

2.m-n

3.m

4.n

If the number of zeros (n) are greater than the number of poles (m), then there will be _________ number of zeros at s = âˆž.

1.n

2.m

3.n-m

4.n+m

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

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

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

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

In the driving point admittance function, a pole of Y (s) means a _______ of V (S).

1. zero

2.1

3.2

4.3

In the driving point admittance function, a zero of Y (s) means a _______ of I (S).

1.1

2. 2

3.3

4.zero

Permeability is analogous to _____________

1.Conductivity

2.Resistivity

3.Retentivity

4.Coercivity

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

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

4.transform admittance

The energy stored in a coil is 108 J. The power dissipated instantaneously across the blades of switch after it is opened in 10 ms is ____________

1.108 W

2. 1080 W

3.10800 W

4.108000 W

The N (S) becomes ________ when s is equal to any of the poles.

1.âˆž

2.0

3.1

4.2

The network function N (S) becomes _________ when s is equal to anyone of the zeros.

1.1

2.2

3.0

4.âˆž

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

The pole is that finite value of S for which N (S) becomes __________

1.0

2.1

3.2

4.âˆž

The poles in the transfer function are denoted by?

1.x

2. y

3.z

4.w

The poles of driving point impedance are those frequencies corresponding to ___________ conditions.

1.short circuit

2.voltage source

3.open circuit

4.current source

The real part of all zeros and poles must be?

1.positive or zero

2.negative or zero

3. positive

4. negative

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

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

The scale factor is denoted by the letter?

1.G

2.H

3.I

4.J

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

The zeros in the transfer function are denoted by?

1.3

2.2

3.1

4. 0

The zeros of driving point impedance are those frequencies corresponding to ___________ conditions.

1.current source

2.open circuit

3.voltage source

4.short circuit

Two coils X and Y have self-inductances of 5 mH and 10 mH and mutual inductance of 3 mH. If the current in coils X change at a steady rate of 100 A/s, the emf induced in coil Y is ____________

1.0.3 V

2.0.5 V

3.1 V

4.1.5 V

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

Two ports containing no sources in their branches are called?

1.active ports

2.passive ports

3. one port

4.three port

Two ports containing sources in their branches are called?

1.three port

2.one port

3.passive ports

4.active ports

- Microwave Engineering MCQs Set-1
- Microwave Engineering MCQs Set-2
- Microwave Engineering MCQs Set-3
- Microwave Engineering MCQs Set-4
- Microwave Engineering MCQs Set-5
- Microwave Engineering MCQs Set-6
- Microwave Engineering MCQs Set-7
- Microwave Engineering MCQs Set-8
- Network Theory Set-1
- Network Theory Set-2
- Network Theory Set-3
- Network Theory Set-4
- Network Theory Set-5
- Network Theory Set-6
- Network Theory Set-7
- Network Theory MCQs Set-7
- Audio Video Engineering MCQs set -1
- Audio Video Engineering MCQs set -2
- Audio Video Engineering MCQs set -3
- Audio Video Engineering MCQs set -4
- Audio Video Engineering MCQs set -5
- Audio Video Engineering MCQs set -6
- Audio Video Engineering MCQs set -7

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