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Q1. | The function Z(s) has a pole at infinity if |

A. | the degree of numerator and denominator of Z(s) are equal [Wrong Answer] |

B. | the numerator of Z(s) is one degree higher than denominator [Correct Answer] |

C. | the denominator of Z(s) is one degree higher than numerator [Wrong Answer] |

D. | the degree of numerator and denominator are either equal or differ by one [Wrong Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ The mass of proton and electron are

1.672 x 10

^{-26}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-26}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-29}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-30}kg and 9.107 x 10

^{-31}kg respectively

⇒ In figure, the effective capacitance between A and

2 μF

4 μF

8 μF

10 μF

⇒ The accuracy of an instrument is determined by

closeness of indicated value to the actual value

repeatability of measured value

speed with which the reading approaches final value

least value which can be measured

⇒ The op amp is used in

A/D converters

D/A converters

both (a) and (b)

shift registers

⇒ The equivalent resistance between terminals

*x*and

*y*figur

150 Ω

45 Ω

55 Ω

35 Ω

⇒ A number of impulses spaced fron one another form an impulse train.

TRUE

FALSE

⇒ Telecine equipment in a TV studio consists of

projector telecine

flying spot telecine

digital CCD telecine

none of the above

⇒ The advantage of using dual slope

*ADC*in digital voltmeter is that

its conversion time is small

its accuracy is high

its output is in BCD

it does not require a comparator

⇒ When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode

none of the numbers is changed to any other form

.4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed

.5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed

both the numbers are changed and their exponents are made equal to 6

⇒ Poynting vector signifies which of the following?

Power density vector producing electrostatic field

Power density vector producing electromagnetic field

Current density vector producing electrostatic field

Current density vector producing electromagnetic field

⇒ A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. Which of the following frequency is least likely to be present in the output?

1002 kHz

1000 kHz

999.2 kHz

998.0 kHz

⇒ A discrete time linear shift-invariant system has an impulse response

*h*[

*n*] with

*h*[0] = 1, h[1] = - 1,

*h*[2] - 2, and zero otherwise. The system is given an input sequence

*x*[

*n*] with

*x*[0] -

*x*[2] - 1, and zero otherwise. The number of nonzero samples in the output sequence

*y*[

*n*], and the value of

*y*[2] are, respectively

5, 2

6, 2

6, 1

5, 3

⇒ From the noise point of view, bandwidth should

be large

not be too large

should be as large as possible

should be infinite

⇒ If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be

a voltage source

a current source

both of the above

none of the above

⇒ The antenna current of an AM transmitter is 8 A, when only the carrier is sent, but it increases to 8.93 A when the carrier is modulated by a single sine wave. Determine the antenna current when the percent of modulation changes to 0.8

9.19 A

9.91 A

10.56 A

8.61 A

⇒ In a two stage CE amplifier circuit, the ac collector resistance of the first stage depends on

load resistance

input impedance of first stage

input impedance of second stage

all of the above

⇒ The energy to cause thermionic emission is supplied by heating the cathode.

TRUE

FALSE

⇒ Each of the following statements regarding frequency modulation is true except

amplitude of the modulated wave remains the same as that of carrier wave

the amount of variation of deviation from the original carrier frequency is determined by the frequency of the modulating signal

the rate at which the frequency of modulated wave varies is determined by the frequency of the modulating signal

frequency of modulated wave increases as the signal voltage increases and vice-versa

⇒ In 8085 microprocessor, what is the length of Data Buffer Register?

6 bits

8 bits

12 bits

16 bits

⇒ In Pascal the repeat and while loops will terminate

only when the logical expression controlling the loop becomes true for both repeat and while loops

only when the logical expression controlling the loop becomes false for both repeat and while loops

only when the logical expression controlling the loop becomes true for repeat loop and false for while loop

only when the logical expression controlling the loop becomes false for repeat loop and true for while loop

⇒ A series R-C circuit with R = 3 Ω and X

_{C}= 4 Ω at 50 Hz is supplied with a voltage V = 50 + 141.4 sin 314

*t*. What is the RMS value of the current flowing through the circuit?

0.208333333333333

0.416666666666667

20 A

22-36 A

⇒ Incompatibility between memory and I/O device may be due to

timing according to which data transfer is to take place

electrical characteristics of the two devices

format of data transfer

all of the above

⇒ Which of the following parameters of CE circuit has the unit of ohms?

*h*

_{ie}

*h*

_{re}

*h*

_{fe}

*h*

_{oe}

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Tangent galvanometer | 1. | Can be used for dc only |

B. | Moving coil instrument | 2. | Integrating instrument |

C. | Household energy meter | 3. | Used for voltage measurement only |

D. | Electrostatic instrument | 4. | Absolute instrument |

A-1, B-2, C-3, D-4

A-4, B-1, C-2, D-3

A-1, B-2, C-4, D-3

A-4, B-1, C-3, D-2

⇒ If X = - 285.56 and the Pascal write statement used is

`WRITE (X : 8).`

Then the print out will appear as-285.56

-2.85 E + 02

-2.85560 E + 02

-2.8 E + 02

⇒ A hollow rectangular waveguide has dimensions

*a*= 2

*b*. Calculate the amount of attenuation, if the frequency is 3 GHz, and

*b*= 1 cm.

49

47.33

50.33

50

⇒ The minimum number of 2 input NAND gates required to implement Boolean function A B C is A, B, C are available is

2

3

5

6

⇒ Magnetic recording tape is most commonly made from

small particles of iron

silicon iron

ferric-oxide

silver nitrate

⇒ Automobile ignition systems use the principle of

resistance

self inductance

mutual inductance

capacitance

⇒ The impulse response

*h*[

*n*] of a linear time invariant system is give

42

*e*

^{jpn/4}

42

*e*

^{- jpn/4}

4

*e*

^{pn/4}

-4

*e*

^{pn/4}