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Q1. | Typical value of power consumption of TV transmitter is |

A. | 0.5 kVA [Wrong Answer] |

B. | 2 kVA [Wrong Answer] |

C. | 50 kVA [Correct Answer] |

D. | 1000 kVA [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 spectrum of the white noise and an impulse function is similar in following aspects

both have similar magnitude spectrum

both have similar magnitude and Phase spectrum

no relation

similar phase spectrum

⇒ In the circuit of figure the current through 3 Ω resistance at

*t*= 0

^{+0.1666666666666672.5 A3.1 A0}

⇒ Consider the following statement in B

200, 250, 150 respectively

150, 200, 250 respectively

250, 200, 150 respectively

200, 150, 250 respectively

⇒ A 300 V voltmeter has an accuracy of ± 2% of full scale deflection. When the reading is 222 V, the actual voltage

lies between 217.56 and 226.44 V

lies between 217.4 and 226.6 V

lies between 216 and 228 V

is exact 222 V

⇒ The transmitting antennas for lower frequencies (below 500 kHz) are generally

vertical grounded wire type

horizontal suspended wire type

parabolic reflector type

any of the above

⇒ The expression for satellite link frequencies such as 4/6 GHz denotes that

4 GHz is the up-link and 6 GHz is the down-link frequency

4 GHz is the down-link and 6 GHz is the up-link frequency

the system operates at a mean frequency of 5 GHz

one frequency is used as a back up for the other

⇒ Common base configuration is little used because

it has low input impedance

it has high input impedance

it does not heat up

it has very high gain

⇒ In broadside array

the principle direction radiation is perpendicular to the array axis and also to the plane containing the array elements

the principle direction radiation is parallel to the array axis and also to the plane containing the array elements

the principle direction radiation is parallel to the array axis and perpendicular to the plane containing the array elements

the principle direction radiation is perpendicular to the array axis and parallel to the plane containing the array elements

⇒ Costa's receiver is used for

Coherent detection of AM-SC signal

Asynchronous detection of AM-SC signal

Coherent detection of DSB-SC signal

Asynchronous detection of DSB-SC signal

⇒ The instrument used to check insulation of household wiring is

megger

ohmmeter

multimeter

high resistance voltmeter

⇒ In the figure shows the circuits symbo

FET

PMOSFET

CMOSFET

NMOSFET

⇒ In which frequency range is the noise figure in a transistor independent of frequency

intermediate frequencies

high frequency

low frequencies

both low and high frequencies

⇒ Consider the transmission line of length 37.5 cm, which is terminated into zero resistance. This line is being exited by a source of 1 GHz which has an internal impedance of 50 Ω. What is the input impedance of the line as seen by the source?

50 Ω

Zero Ω

100 Ω

Infinite Ω

⇒ In force current analogue, mechanical mobility is analogous to

impedance Z

admittance Y

reactance X

conductance G

⇒ Tropospheric scatter propagation is not subject to any fading.

TRUE

FALSE

⇒ Final value theorem is used to find

steady state value of system output

initial value of output

transient beaviour of output

none of these

⇒ If memory chip size is 256 x 1 bits, the number of chips required to make 1 k byte memory is

8

12

24

32

⇒ If Z is the number of zeros of 1 + G(

*s*) H(

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*jo*) point. P is the number of poles of G(

*s*) H(

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Z = N + P

Z = P/N

Z = N - P

Z = PN

⇒ The amount of photoelectric emission current depends on the frequency of incident light.

TRUE

FALSE

⇒ For a core having a relative permeability μ

_{r}, magnetic dipole moment per unit volume M and field strength H, the flux density B is

B = μ

_{r}(H + M)

B = μ

_{0}(H + M)

B = μ

_{0}μ

_{r}(H + M)

B = μ

_{0}μ

_{r}(H - M)

⇒ A dielectric does not have leakage current.

TRUE

FALSE

⇒ According to CCIR standards, the Vestigial Sideband (VSB)

video frequencies upto 4 MHz are transmitted

video frequencies upto 5 MHz are transmitted

video frequencies upto 5.5 MHz are transmitted

video frequencies upto 6 MHz are transmitted

⇒ Which is a valid Java variable?

1

*a*

*b*

56

*a*

*a*56

5

*a*6

⇒ In gases the flow of current is due to

positive ions only

electrons only

electrons, positive ions and negative ions

electrons and positive ions

⇒ 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

⇒ Semiconductors have

aero temperature coefficient of resistance

positive temperature coefficient of resistance

negative temperature coefficient of resistance

none of the above

⇒ An audio signal of FM radio station is sampled at a rate of 15% above the Nyquist rate. Signal is sampled in 512 levels and bandwidth of the signal is 4 KHz. The minimum bandwidth required to transmit this signal will be

77 K bits/sec

92 K bits/sec

84.8 K bits/sec

82.8 K bits/sec

⇒ To plot frequency spectrum we draw two graphs

*viz*|F

*| versus frequency and φ*

_{n}*versus frequency.*

_{n}TRUE

FALSE

⇒ Mobility is directly proportional to Hall coefficient.

TRUE

FALSE

⇒ Double integration of a unit step function would lead to

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a parabola

a ramp

a doublet