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Q1. | A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be |

A. | correlated [Wrong Answer] |

B. | statistically independent [Correct Answer] |

C. | uncorrelated [Wrong Answer] |

D. | orthogonal [Wrong Answer] |

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

⇒ In which of the following semiconductor are holes majority carriers

intrinsic

extrinsic

*p*type

*n*type

⇒ When a unit step voltage drives a lag network the output

remains constant at unit step value

increases exponentially from zero to final value

decreases exponentially from 1 to 0

either (b) of (c) depending on values of R and C

⇒

Match the following:

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

A. | IF noise | 1. | Ganged tuning |

B. | Image frequency | 2. | Spurious response |

C. | Station selector | 3. | Leaky filter capacitor |

D. | Excessive Hum | 4. | Mixer stage |

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

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

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

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

⇒ Find the power absorbed or delivered by each sou

*a*= -32

*b*= - 12

*c*= -80

*d*= -60

*a*= -32

*b*= - 12

*c*= 80

*d*= 60

*a*= 32

*b*= 12

*c*= -80

*d*= 60

*a*= -32

*b*= 12

*c*= 80

*d*= -60

⇒ The circuit shown below is the equivalent circuit of which one of the following microwave resonator ty

Butterfly resonator

Parallel-wire resonator

Cavity resonator

Coaxial line resonator

⇒ A multivibrator can be used as a

cavity resonator

harmonic generator

wave form modifier

any of the above

⇒ The merging of a hole and an electron is called

recombination

covalent bonding

thermal union

none of the above

⇒ An increase in temperature increases the width of depletion layer.

TRUE

FALSE

⇒ An SR flip flop can be built using NOR gates or NAND gates.

TRUE

FALSE

⇒ FIR digital filter having __________ stability than FIR filter.

good stability

poor stability

stability not guarnteed

poor stability

⇒ The logic represented by the abbreviation ECL is

Emitter Coupled Logic

Electron Carrier Logic

Encoding Clock Logic

Electrostatic Channel Logic

⇒ In a synchro transmitter

input is angular position of rotor shaft and output is stator voltages

input is stator voltages and output is angular position of shaft input is rotor voltage and output is angular position of rotor shaft

input is rotor voltage and output is angular position of rotor shaft

input is angular position of rotor shaft and output is rotor voltage

⇒ Power gain of an antenna in a given direction is the ratio of

average power to maximum power

radiation intensity in that direction to the total input radiated power

radiation intensity in that direction to the average radiated power

none of the above

⇒ DVD uses

Laser beam for both recording and playback

Laser beam for recording and video head for playback

Video head for recording and laser beam for playback

None of the above

⇒ Noise temperature of Sun is more than __________ °K.

1000

5000

100000

500

⇒ A sequential multiplexer is connected as shown in figure. Each time the multiplexer receives the clock, it switches to the next channel from 6 to 1. If the input signals a

8 kHz

50 kHz

20 kHz

10 kHz

⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage

*v*(

*t*) = sin2

*t*. The resulting current

*i*(

*t*

5 sin (2

*t*+ 53.1°)

5 sin (2

*t*- 53.1°)

25 sin (2

*t*+ 53.1°)

25 sin (2

*t*- 53.1°)

⇒ For a quadratic factor in transfer function the phase angle is not a function of damping factor.

TRUE

FALSE

⇒ 1's complement of 11100110 is

11001

10000001

11010

0

⇒ For a series resonant circuit at low frequency impedance is __________ and at high frequency circuit impedance is __________ .

capacitive, inductive

inductive, capacitive

resistive, inductive

capacitive, resistive

⇒ ∈

_{r}is determined by the atomic structure of the dielectric.

TRUE

FALSE

⇒ A universal RLC bridge uses

Maxwell bridge for measurement of inductance and De Sauty's bridge for measurement of capacitance

Maxwell's bridge for measurement of inductance and modified De Sauty bridge for measurement of capacitance

Maxwell Wien bridge for measurement of inductance and modified De Sauty bridge for measurement of inductance

Maxwell Wien bridge for measurement of inductance and Wien bridge for measurement of capacitance

⇒ Given I

_{s}= 20 A, V

_{s}= 20 V, the current I in the 3 Ω resistance is give

0.166666666666667

0.333333333333333

0.0833333333333333

16 A

⇒

Match the following:

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

A. | Continuous and aperiodic | 1. | Fourier representation is continuous and aperiodic |

B. | Continuous and Periodic | 2. | Fourier representation is discrete and aperiodic |

C. | Discrete and aperiodic | 3. | Fourier representation is continuous and periodic |

D. | Discrete and periodic | 4. | Fourier representation is discrete and periodic |

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

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

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

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

⇒ A 7477 decoder drives

seven-segment display

nickel tape

relays

diode matrix

⇒ The number of bits in a nibble is

8

4

2

16

⇒ In active filter circuits, inductances are avoided mainly because they

are always associated with some resistance

are bulky and unsuitable for miniaturisation

are non-linear in nature

saturate quickly

⇒

**Assertion (A):** Moving iron instrument can be used on ac or dc.

**Reason (R):** In a moving iron instrument deflecting torque is proportional to square of current.

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

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

A is true R is false

A is false R is true

⇒ The signal define by the equations

*u*(

*t*-

*a*) = 0 for

*t*<

*a*and

*u*(

*t*-

*a*) = 1 for

*t*≥

*a*is

a unit step function

a shifted unit step function orginating at

*t*=

*a*

a pulse function

none of the above

⇒ Entropy gives

measure of Uncertainty

rate of Information

average information

probability of Information