Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | A real number consists of |

A. | integer part [Wrong Answer] |

B. | integer part and fraction part [Wrong Answer] |

C. | integer part, fraction part along with positive or negative sign [Correct Answer] |

D. | none of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ The modulation index of a narrowband FM signal is

nearly equal to 0.3

much less than unity

nearly 0.5

much more than unity

⇒ By placing an inverter between both inputs of an S-R flip-flop, the resulting flip-flop becomes

J-K flip-flop

D-flip-flop

T-flip-flop

Master salve JK flip-flop

⇒ A variable resistance R and capacitive reactance X

_{C}are connected in series. As R is varied, the locus of Z is

a straight line parallel to Y axis in 4th quadrant

a straight line parallel to X axis in 4th quadrant

a straight line parallel to Y axis in second quadrant

a straight line parallel to Y axis in first quadrant

⇒ A super heterodyne receiver has an input circuit tuned to a 570 KHz signal. If the intermediate frequency of the amplifier is tuned to 455 KHz. The quality factor Q for a Image Rejection ratio of 125?

100

56.81

42.74

87

⇒ The density of states (

*i.e.*number of states per eV per m

^{3}) in the conduction band for energy level

*E*is proportional to

E

E

E

^{1.5}

E

^{2}

⇒ The ability of a radio receiver to discriminate between different input signals and to accept only one definite signal is called its

sensitivity

attenuation

selectivity

modulation

⇒ Sparking affects amplitude modulation.

TRUE

FALSE

⇒ If D, G and η denote the directly, power gain and efficiency of an antenna, then which of the following relation holds :

DGη = 1

η = DG

D = ηG

D = G/η

⇒ With a JK master-slave flip-flop the master is clocked when the clock is __________ , and the slave is triggered when the clock is __________ .

low, low

high, low

low, high

high, high

⇒ The inverse Laplace transform of 1/(

*s*-

*a*)

^{2}is

*e*

^{at}*t*

*e*

^{at}*t*

^{2}

*e*

^{at}*e*/

^{at}*t*

⇒ The temperature at which some materials become superconductors is called

Transition temperature

Curie temperature

Neel temperature

Onnes temperature

⇒ The

*z*-transform of a particular signal is gi

casual and stable

non-casual and stable

non-casual and unstable

casual and unstable

⇒ If all bubbles are removed, what are the new RAM locati

(8000)

_{H}- (83FF)

_{H}

(80AA)

_{H}- (80FF)

_{H}

(FF00)

_{H}- (FFFF)

_{H}

none of the above

⇒ If

*e*= 10 sin(10

^{8}

*t*+ 3 sin 10

^{4}

*t*) then modulating frequency is

159 Hz

1590 Hz

1.59 MHz

15.9 MHz

⇒ One of the advantages of base modulation over collector modulation of a transistor class C amplifier is

improved efficiency

better linearity

high power output per transistor

the lower modulating power requirement

⇒ Consider the following statements about Infix and Post fix notations in Pascal

- In Infix notation operators appear between the operands on which they operate.
- In Post fix notation operators appear after the operand.
- The Infix expression A + B - C + D will appear as AB + C - D + in post fix notation.

All

1 and 2 only

1 and 3 only

2 and 3 only

⇒ The symbol in figure is

DIAC

P-N junction diode

Schottky diode

None of the above

⇒ In which of the following schemes are several channels interleaved and transmitted together?

TDM

FDM

group

subgroup

⇒ A loop antenna may be of

square on triangular shape

hexagonal shape

circular shape

any of the above

⇒ In Laplace transform, multiplication by

*e*

^{-at}in time domain becomes

translation by

*a*in

*s*domain

translation by (-

*a*) in

*s*domain

multiplication by

*e*in s domain

^{-as}none of the above

⇒ L[

*c*

_{1}

*f*

_{1}(

*t*) +

*c*

_{2}

*f*

_{2}(

*t*)] =

*c*

_{1}F

_{1}(

*j*ω) +

*c*

_{2}F

_{2}(

*j*ω)

*c*

_{1}F

_{1}(

*j*ω) -

*c*

_{2}F

_{2}(

*j*ω)

*c*

_{1}F

_{1}(

*j*ω) +

*c*

_{2}F

_{2}(

*j*ω) +

*c*

_{1}

*c*

_{2}

*c*

_{1}F

_{1}(

*j*ω) +

*c*

_{2}F

_{2}(

*j*ω) +

*c*

_{1}/

*c*

_{2}

⇒ A rectangular waveguide having TE

_{10}mode as dominant mode is having a cut off frequency of 18 GHz for the TE

_{30}mode. The inner broad wall dimension of the rectangular waveguide is

5/3 cm

5 cm

5/2 cm

10 cm

⇒ In drawing phasor diagrams, RMS values are used.

TRUE

FALSE

⇒ The damping coefficient for the given circuit is _______

42737

42739

2

1

⇒

Match the following:

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

A. | Reactance theorem | 1. | Foster |

B. | Driving point impedance | 2. | Bartlett |

C. | Continued fraction expansion | 3. | Cauer |

D. | Bisection Theorem | 4. | Positive real function |

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

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

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

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

⇒ A chopper

converts constant voltage dc into ac and then into variable voltage dc

converts constant voltage dc into variable voltage dc directly

converts ac of one frequency into ac of another frequency

converts ac to dc

⇒ Iron has a body centred cubic structure.

TRUE

FALSE

⇒ An

*m*derived and constant

*k*filter section connected in cascade give

proper impedance matching

proper phase shift characteristic

proper attenuation characteristic

all of the above

⇒ A universal shift register can shift left or right.

TRUE

FALSE

⇒ It is desired to design a phase shift oscillator using an FET having a

*g*= 5000 μSiemen,

_{m}*r*= 40

_{d}*k*Ω and feedback circuit value of R = 10 K. Then value of C for oscillator operation at 1

*k*H

*z*and that of

*R*for A = 40 to ensure oscillator action are

_{D}6.4

*n*F, 80 K

6.5

*n*F, 10 K

6.5

*p*F, 10 K

65

*p*F, 80 K