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Q1. | If transfer function of a system is H(z) = 6 + z^{-1} + z^{-2} then system is |

A. | minimun phase [Correct Answer] |

B. | maximum phase [Wrong Answer] |

C. | mixed phase [Wrong Answer] |

D. | none [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Consider the following statements about ultrasonic flow meters:

- The measurement in insensitive to viscosity, pressure and temperature variations.
- It has bidirectional measuring capability and can be used for any pipe size.
- It has a relatively lower cost.
- It has good accuracy, fast response and wide frequency range.

1 only

1 and 2 only

1, 2 and 4

3 and 4 only

⇒ A 50 p characteristic impedance line is connected to a load which shows a reflection coefficients of 0.268. If V

_{in}= 15 volt, then the net power delivered to the load will be

0.139 W

1.39 W

0.278 W

2.78 W

⇒ A 3 phase star-connected load has one capacitor C in R phase and two equal resistances in Y and B phases.The phase sequence is RBY. Then

V

_{B0}> V

_{Y0}

V

_{B0}< V

_{Y0}

V

_{B0}= V

_{Y0}

V

_{B0}= V

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⇒ The colour on the extreme left in general purpose fixed resistors represents

first significant digit

tolerance

wattage rating

voltage rating

⇒ In sign magnitude numbers,

the leading bit stands for the sign

the leading bit is part of the magnitude

the leading bit is always 0

the leading bit is always 1

⇒ Which one of the following is also called 'rat race'?

E plane tee

H plane tee

Magic tee

Hybrid ring

⇒ In a zener diode

the forward current is very high

sharp breakdown occurs at a certain reverse voltage

the ratio

*v*-

*i*can be negative

there are two

*p*-

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⇒ Consider

*z*transform of a signal as given b

IIR

FIR

Depends on value of

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Cannot determined

⇒ Degaussing in a picture tube means

Adding magnetism in mask and mounting frame

Removing residual magnetism in mask, shield etc...

Increasing resistance of coils to decrease time constant

Decreasing resistance of coils to increase time constant.

⇒ Voltage series feedback (Also called series-shunt feedback) results in

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decrease in both I/P and O/P impedances

increase in I/P impedance and decrease in O/P impedance

decrease in I/P impedance and increase in O/P impedance

⇒ An AND gate has four inputs. One of the inputs is low and other inputs are high. The output

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is high

is alternately low and high

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⇒ When a dc chopper feeds an RLE load, the load current, during steady state operation

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varies between maximum and minimum values

may remain constant or vary

is constant if R is constant

⇒ Find the value of

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1.432 A

0.2892 A

O A

⇒ A transmission line terminates in two branches, each of length λ/4, as shown. The branches are terminated by 50Ω loads. The lines are lossless and have the characteristics impedances shown. Determine the impedance Z

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200Ω

100Ω

50Ω

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⇒ The number of layers in a Shockley diode are

2

3

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⇒ For the circuit, let us assume that R = 1 Ω, L = 10

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70.7 cos (1000

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7.07 cos (1000

*t*- 15°) A

7.07 cos (1000

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⇒ Which of the following statement is false?

Bandwidth of a circuit is given by the range of frequencies lying between half-power points

Half-power points on a resonance curve are those points where power is half of that at resonance

Half-power points are also known as 3

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⇒ The simplest method of suppression of unwanted side band in AM is

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phase shift method

third method

both (a) and (b)

⇒ If frames are repeated at 60 Hz and each frame has 525 lines, the time for scanning one horizontal line (for progressive scanning and no interlacing) is about

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32 μs

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⇒ A proportional controller is basically

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⇒ Which of the following is not a valid variable in FORTRAN 77?

BRG

VS

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⇒ In a klystron amplifier dc electron velocity is

*v*

_{0}and dc electron charge density is r

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r

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*v*

_{0}

r

_{0}

^{/}

*v*

_{0}

*v*

_{0}

^{/}r

_{0}

(

*v*

_{0}

^{/}r

_{0})

^{2}

⇒

**Assertion (A):** In complex frequency *s* = σ + *j*ω, the terms s and ω are nepar frequency and radin frequency.

**Reason (R):** If ω = 0, the graph of Ke* ^{st}* will be a decaying exponential if s <

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Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒ What is the propagation constant for air filled wave guide with dimensions

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⇒ In the circuit of figure, the current through battery E

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triangular wave

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**Assertion (A):** In series R-L-C circuit, the current may lead or lag the voltage depending on the value of R.

**Reason (R):** Phase angle of an R-L series circuit is tan^{-1} (ωL/R).

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

⇒ In a current mirror

the

*i*-

*v*curve of compensating diode is similar to collector curve of transistor

the

*i*-

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either (a) or (b)

neither (a) nor (b)

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0.0065 pF

0.0130 pF

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0.520 pF

⇒ A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is

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