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Q1. | Consider the following statement in B |

A. | 200, 250, 150 respectively [Correct Answer] |

B. | 150, 200, 250 respectively [Wrong Answer] |

C. | 250, 200, 150 respectively [Wrong Answer] |

D. | 200, 150, 250 respectively [Wrong Answer] |

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

⇒ The effective length of antenna is different from actual length due to

top loading

end effects

both (a) and (b)

none of the above

⇒ The circuit of figure give an output which

a frequency modulated signal

an amplitude modulated signal

a phase modulated signal

none of the above

⇒ Assume that

*x*= 7, the Java operation

*x*=

*x*- means that final value of

*x*is

7

-1

6

-6

⇒ Following state diagram shows clocked sequential circ

6

7

5

4

⇒ The residual resistivity of a binary alloy at 0 K is

sum of residual resistivities of component metals

difference of residual resistivities of component metals

product of residual resistivities of component metals

dependent on the concentration of minor component in the alloy

⇒ Consider the following

line 25

line 35

any of the lines 15 or 25, 35

⇒

Match the following:

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

A. | Firm ware | 1. | Converts program in high level language to machine language |

B. | Compiler | 2. | Converts assembly language program into machine language |

C. | Assembler | 3. | Software embedded in hardware |

D. | Virtual addressing | 4. | Grouping information between various memories |

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

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

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

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

⇒ In figure, D

_{2}turns on

*v*

_{i}is more positive than V

_{1}

*v*

_{i}is less positive than V

_{1}

*v*

_{i}is more negative than V

_{2}

*v*

_{i}is less negative than V

_{2}

⇒ On load tap changer using thyristors can have a maximum of two taps.

TRUE

FALSE

⇒ The horizontal intercept of dc load line is the same as ideal

cut off point

saturation point

operating point

quasi saturation point

⇒ A ring counter with 5 flip flops will have

5 states

10 states

32 states

infinite states

⇒ For a second order system delay time

*t*is the time required to reach

_{d}half the final value for the very first time

the final value for the very first time

90% of the final value for the very first time

none of the above

⇒ Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how many distinct 4 digit numbers greater than 3000 can be formed?

50

51

52

54

⇒ The zeros of a minimum phase function lie on

imaginary axis

left half plane or origin

left half plane or imaginary axis

right half plane or origin

⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise

*n*(

*t*) is whit with power spectral density S

_{N}(

*f*) = N

_{0}/2 = 10

^{-20}W/Hz. The low-pass filter is ideal with unity gain and cutoff frequency 1 MHz. Let Y

_{k}represent the random variable

*y*(

*t*

10

1.414 x 10

2 x 10

_{k}10^{10}10

^{7}1.414 x 10

^{-10}2 x 10

^{-20}

⇒ Semiconductors have

aero temperature coefficient of resistance

positive temperature coefficient of resistance

negative temperature coefficient of resistance

none of the above

⇒ For the current wave

0.416666666666667

12.247 A

20 A

14.14 A

⇒ The ripple factor of power supply is a measure of

its filter efficiency

diode rating

its voltage regulation

purity of power output

⇒ An antenna has a resistance of 50 Ω and an equivalent noise resistance of 30 Ω The noise figure in decibels is

1.6 dB

2 dB

3.6 dB

6 dB

⇒ An R-C coupled amplifier has mid-frequency gain of 200 and a frequency response from 100 Hz to 20 kHz. A negative feedback network with β = 0.2 is incorporated into the amplifier circuit, the Bandwidth will be

50 kHz

20 kHz

100 kHz

infinite

⇒ Which part of radio spectrum is more crowded?

Lower frequency part

Higher frequency part

Both (a) and (b)

None of these

⇒ A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is

1.2 MHz

2.4 MHz

0.6 MHz

1.386 MHz

⇒ In a JFET

drain current is very nearly equal to source current

drain current is much less than source current

drain current may be equal to or less than source current

drain current may be even more than source current

⇒ In a series L-C circuit fed by ac voltage, voltage drops across L and C are 40 V and 30 V respectively. The supply voltage is

70 V

10 V

50 V

1.333 V

⇒ The mean free path of conduction electrons in copper is about 4 x 10

2.62 x 10

2.64 x 10

2.5 x 10

2.58 x 10

⇒ The best excited reflector from a wave guide is

horn

parabolic

biconical

corner

⇒ Which one of the following is true?

Characteristic impedance of twin wire feeder and coaxial cable are nearly the. same

The characteristic impedance of coaxial cable is more than that of twin wire cable

The characteristic impedance of twin wire cable is more than that of coaxial cable

The characteristic impedance of a twin wire feeder may be more or less than that of coaxial cable

⇒

A-1, B-2, C-3

A-1, B-3, C-2

A-3, B-1, C-2

A-3, B-2, C-1

⇒ Good smoothing factor of a coil depends on

inductance of the coil

terminal voltage

cross-sectional area of the wire of the coil

property of the wire of the coil

⇒ A Charge Couple Device (CCD) is a

RAM

sequential accessed memory

content addressable memory

read only memory

⇒ Semiconductors have

aero temperature coefficient of resistance

positive temperature coefficient of resistance

negative temperature coefficient of resistance

none of the above

⇒ For the current wave

*i*= 10 + 10 sin θ, the rms value is0.416666666666667

12.247 A

20 A

14.14 A

⇒ The ripple factor of power supply is a measure of

its filter efficiency

diode rating

its voltage regulation

purity of power output

⇒ An antenna has a resistance of 50 Ω and an equivalent noise resistance of 30 Ω The noise figure in decibels is

1.6 dB

2 dB

3.6 dB

6 dB

⇒ An R-C coupled amplifier has mid-frequency gain of 200 and a frequency response from 100 Hz to 20 kHz. A negative feedback network with β = 0.2 is incorporated into the amplifier circuit, the Bandwidth will be

50 kHz

20 kHz

100 kHz

infinite

⇒ Which part of radio spectrum is more crowded?

Lower frequency part

Higher frequency part

Both (a) and (b)

None of these

⇒ A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is

1.2 MHz

2.4 MHz

0.6 MHz

1.386 MHz

⇒ In a JFET

drain current is very nearly equal to source current

drain current is much less than source current

drain current may be equal to or less than source current

drain current may be even more than source current

⇒ In a series L-C circuit fed by ac voltage, voltage drops across L and C are 40 V and 30 V respectively. The supply voltage is

70 V

10 V

50 V

1.333 V

⇒ The mean free path of conduction electrons in copper is about 4 x 10

^{-8}m. For a copper block, find the electric field which can give, on an average, 1 eV energy to a conduction electron2.62 x 10

^{7}V/m2.64 x 10

^{7}V/m2.5 x 10

^{7}V/m2.58 x 10

^{7}V/m⇒ The best excited reflector from a wave guide is

horn

parabolic

biconical

corner

⇒ Which one of the following is true?

Characteristic impedance of twin wire feeder and coaxial cable are nearly the. same

The characteristic impedance of coaxial cable is more than that of twin wire cable

The characteristic impedance of twin wire cable is more than that of coaxial cable

The characteristic impedance of a twin wire feeder may be more or less than that of coaxial cable

⇒

Match the following:

List I (VCR system) | List II (Azimuth angle) | ||
---|---|---|---|

A. | VHS | 1. | 7° |

B. | Video 2000 | 2. | 15° |

C. | Betamax | 3. | 6° |

A-1, B-2, C-3

A-1, B-3, C-2

A-3, B-1, C-2

A-3, B-2, C-1

⇒ Good smoothing factor of a coil depends on

inductance of the coil

terminal voltage

cross-sectional area of the wire of the coil

property of the wire of the coil

⇒ A Charge Couple Device (CCD) is a

RAM

sequential accessed memory

content addressable memory

read only memory