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Q1. | Which one of the following rules determines the mapping of s-plane to z-plane? |

A. | Right half of the s-plane maps into outside of the unit circle in z-plane [Wrong Answer] |

B. | Left half of the s-plane maps into outside of the unit circle. [Wrong Answer] |

C. | Imaginary axis in s-plane maps in to the circumference of the unit circle. [Wrong Answer] |

D. | All of the above [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒ If E

_{b}, the energy per bit of a binary digital signal is 10

^{-6}watt sec. and the one sided power spectral density of the white noise N

_{0}= 10

^{-5}W/Hz, then the output SNR of the matched filter is

26 dB

10 dB

20 dB

13 dB

⇒ Two identical silicon diodes D

_{1}and D

_{2}are connected back to back shown in figure. The reverse saturation current

*I*

_{s}of each diode is 10

^{-8}amps and the breakdown voltage V

_{Br}is 50

*v*. Evaluate the voltages V

_{D1}and V

_{D2}dropped across the diodes D

_{1}and D

_{2}assuming KT/

*q*to be 25

4.983 V, 0.017 V

- 4.98 V, - 0.017 V

0.17 V, 4.983 V

- 0.017 V, - 4.98 V

⇒ A sine wave of voltage varies from zero to maximum of 200V. How much is the voltage at the instant of 30° of the cycle?

50 V

82.8 V

100 V

173.2 V

⇒ For measuring current at a high frequency we should use

moving iron instrument

electrostatic instrument

thermocouple instrument

moving coil instrument

⇒ Out of Metal-film type and Carbon-film type, the one with better tolerance specification is

carbon-film

metal-film type

both have same tolerance

none of these

⇒ 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

⇒ As per Shannon-Hartley theorem, a noise less Gaussian channel has

zero capacity

infinite capacity

small capacity

none of the above

⇒ In the stabilized reactance modulators AFC system

the discriminator must have a fast time constant to prevent demodulation

the higher discriminator frequency the better the oscillator frequency stability

the discriminator frequency must not be too low, or the system will fail

phase modulation is converted into FM by the equalizer circuit

⇒ At room temperature, the current in the, intrinsic semiconductor is due to

holes

electrons

ions

holes and electrons

⇒ The number of memory locations in which 14 address bits can access is

1024

2048

4096

16384

⇒ For an accurate clock period in 8085 it is preferable to use

Crystal

Crystal or LC resonant circuit

Crystal or RC circuit

LC or RC circuit

⇒ Trap circuits used in video IF amplifier of colour TV are

High Q, LC resonant circuit

Low Q, LC resonant circuit

High Q, RLC resonant circuit

Low Q, RLC resonant circuit

⇒ Find equivalent resistance. Each resistance is l &Om

5/12 Ω

5/6 Ω

6/5 Ω

6/10 Ω

⇒ For the logic circuit of the given figure the simplified Boolean expressio

Y = AB + A C

Y = (AB) (A C)

Y = ABC

Y = A B + A C

⇒

Match the following:

Microwave Measuring Instruments | Measurements Effected | ||
---|---|---|---|

A. | Bolometer | 1. | Reflection coefficients |

B. | VSWR meter | 2. | Half power beam widths |

C. | Cavity wave meter | 3. | Microwave power |

D. | Pattern recorder | 4. | Microwave frequency |

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

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

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

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

⇒ Which is the displacement transducer with excellent sensitivity, linearity and resolution?

Incremental encoder

Absolute encoder

LVDT

Strain gauge

⇒ The number of layers in a Shockley diode are

2

3

4

2 or 3

⇒ Which of the following expressions is invalid in Fortran?

IA + IB

IB * IC / ID

IA * B

- K * I + J

⇒ A planar graph has 6 nodes and 7 branches. The number of meshes in the dual graph is

2

3

4

6

⇒ In a JFET, the lower end is called the __________ and the upper end is called the __________ .

source, channel

channel, drain

source, drain

drain source

⇒ The 8085 microprocessor is interrupted while executing MOV instruction at location 0210 H. What is the location at which contents of register E are stored.

054 CH

054 DH

054 EH

054 FH

⇒ Which of the following is λ/2 length?

Marconi

Hertz

Parabolic

Yagi-uda

⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10

^{-13}

*m*from each other. Charge on a particle is 3.2 x 10

^{-19}C. (relative permittivity for mica is 5)

1.843 x 10

^{-15}N

9.2 x 10

^{-2}N

14.41 x 10

^{-9}N

none of these

⇒ Low gain-bandwidth product of a JFET is due to

reduced number of holes

junction capacitive effects

low degree of isolation between input and output

all of the above

⇒

*x*= AX + B

*u*is a state equation.

TRUE

FALSE

⇒ If

*f*(

*t*) =

*r*(

*t*-

*a*), F(

*s*) =

*e*

^{-as}/

*s*

^{2}

*a*/(

*s*+

*a*)

1/(

*s*+

*a*)

*e*

^{-as}/

*s*

⇒ The sampling frequency in CD is 10 kHz.

TRUE

FALSE

⇒ Some of MOS families are PMOS, CMOS, the family dominating the LSI field, where low power consumption is necessary is

NMOS

CMOS

PMOS

both NMOS, CMOS

⇒ In a 3 phase full converter feeding a highly inductive load, the average load current is 150 A. The peak current through thyristor is

150 A

75 A

50 A

300 A

⇒ In high power AM transmission, modulation is done at

IF stage

buffer stage

RF stage

oscillator stage