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FM broadcast is used in | |
A. | VHP range [Wrong Answer] |
B. | UHF range [Wrong Answer] |
C. | MF range [Wrong Answer] |
D. | both VHP and UHF range [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ As regards ferromagnetic Curie temperature Q_{f} and paramagnetic curie temperature θ
Q_{f} > θ
θ > Q_{f}
θ equal to or less than Q_{f}
θ may be equal to less than or more Q_{f}
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
⇒ In the op-amp circuit of figure, V_{03 V1 - 4 V2-3 V1 + 4 V23(V1 - V2)-3(V1 - V2)}
⇒ A geosynchronous satellite
has the same period a that of the Earth
has a circular orbit
rotates in the equatorial plane
has all of the above
⇒ In a receiver, which of the following device has IF input but RF output?
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⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is
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average power
peak power
instantaneous power
⇒ The minimum step size required for a Delta modulator operating at 36 samples/sec to track the signal (here u(t) is the unit step function) x(t) = 125t (u(t) - u(t - 1)) + (250 - 125t) (u(t - 1) - u(t - 2)) So that slope overload is avoided, would be
2^{-10}
2^{-8}
2^{-6}
2^{-4}
⇒ If the output current wave shape of class C circuit has a period of 1 μs and a pulse width of 0.006 μs, the duty cycle is
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0.00006
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⇒ The number of tightly bound electrons in silicon atom are
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⇒ Consider the following:
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⇒ Algebraic expression for z-transform of x[n] is X[z]... What is the algebraic expression of z-transform of e^{jω0n} x[n]?
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⇒ The antenna current of an AM broad cast transmitter, modulated to a depth of 40% by an audio sine wave is 11 amperes. It increased to 12 ampere as a result of simultaneous modulation by another sine wave. The modulation index due to this second sine wave is :
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⇒ As regards ferromagnetic Curie temperature Q_{f} and paramagnetic curie temperature θ
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θ may be equal to less than or more Q_{f}
⇒
Assertion (A): In a BJT base current is very small.
Reason (R): In a BJT recombination in base region is high.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
⇒ In the op-amp circuit of figure, V_{03 V1 - 4 V2-3 V1 + 4 V23(V1 - V2)-3(V1 - V2)}
⇒ A geosynchronous satellite
has the same period a that of the Earth
has a circular orbit
rotates in the equatorial plane
has all of the above
⇒ In a receiver, which of the following device has IF input but RF output?
Demodulator
Loudspeaker
Audio amplifier
Frequency changer
⇒ A dynamometer wattmeter is connected in ac circuit. The measured power is
rms power
average power
peak power
instantaneous power
⇒ The minimum step size required for a Delta modulator operating at 36 samples/sec to track the signal (here u(t) is the unit step function) x(t) = 125t (u(t) - u(t - 1)) + (250 - 125t) (u(t - 1) - u(t - 2)) So that slope overload is avoided, would be
2^{-10}
2^{-8}
2^{-6}
2^{-4}
⇒ If the output current wave shape of class C circuit has a period of 1 μs and a pulse width of 0.006 μs, the duty cycle is
0.06
0.006
0.00006
0.0006
⇒ If there are no permanent dipoles in a dielectric material, the dielectric constant is independent of temperature.
TRUE
FALSE
⇒ A 3 phase series inverter has
12 thyristors
6 thyristors
3 thyristors
3 or 6 thyristors
⇒ Fourier series is applicable for
periodic
finite duration
non periodic
a and b
⇒ Consider the circuit shown below of 2 : 1 MUX is given by the function g = ac + bc
X ⊕ Y
XY + EXY
XE + XY
none of these
⇒ Which of the following is true?
SOP is a two level logic
POS is a two level logic
Both SOP and POS are two level logic
Hybrid function is two level logic
⇒ The number of tightly bound electrons in silicon atom are
14
10
6
4
⇒ In an ac circuit the fundamental component of current wave lags the corresponding voltage wave by 20°. The third harmonic component of current wave lags the corresponding voltage by an angle.
less than 20°
more than 20°
equal to 20°
equal to or more than 20°
⇒ Consider the following:
- Oscillator
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- Cascaded amplifier
- Power amplifier
1 and 2
1 and 3
2 and 4
3 and 4
⇒ Algebraic expression for z-transform of x[n] is X[z]... What is the algebraic expression of z-transform of e^{jω0n} x[n]?
X(Z - Z_{0})
X(e^{-jW0z})
X(e^{jω0z})
X(Z)^{jω0z}
⇒ What is the necessary a.c. input power from the transformer secondary used in a half wave rectifier to deliver 500 W of d.c. power to the load?
1232 W
848 W
616 W
308 W
⇒ Which of the following pulse communication system is inherently immune to noise?
PPM
PCM
PWM
PAM
⇒ The number of protons in a silicon atom is
32
28
14
4
⇒ In the circuit, V_{s} = 10 cos ωt, power drawn by the 4Ω resistor is 8 watt. The power facto
1
0.5
0.85
0
⇒ A carrier is phase modulated (PM) with frequency deviation of 10 kHz by a single tone frequency of 1 kHz. If the single tone frequency is increased to 2 kHz, assuming that phase deviation remains unchanged, the bandwidth of the PM signal is
21 kHz
22 kHz
42 kHz
44 kHz
⇒ Find E at P(1, 1, 1) caused by four identical 3 nC point charges located at P_{1}(1, 1, 0), P_{2}(- 1, 1, 0), P_{3}(- 1, - 1, 0) P_{4}(1, - 1, 0)
21.58a_{x} + 21.58a_{y} + 12a_{z} V/m
6.82a_{x} + 6.82a_{y} + 32.89a_{z} V/m
-6.82a_{x} - 6.82a_{y} - 32.89a_{z} V/m
-21.58a_{x} - 21.58a_{y} - 12az V/m
⇒ The trapezoidal pattern of figure is obtained when examining an AM wave by an oscilloscope. Modulation factor of the wave
0.33
0.5
2
1
⇒ An RL admittance function can also be realized as
RC admittance function
RC impedance function
LC admittance function
LC impedance function
⇒ To couple a coaxial line to a parallel to wire line it is best to use a
slotted line
balun
directional coupler
quarter wave transformer
⇒ In a CE amplifier it is desired that the signal should be able to swing equally in both directions. Then the Q point should be
at the centre of ac load line
at the centre of dc load line
at the centre of collector voltage
at the centre of collector current
⇒ An 8156 has A_{15} connected to its CE input. A_{14} to A_{8} are unconnected, and AD_{7} to AC_{0} are connected.Ignoring shadows, the port addresses
80 H
85 H
82 H, 83 H
80 H to 85 H
⇒ j^{6} =
j
j^{2}
j^{3}
- j
⇒ The antenna current of an AM broad cast transmitter, modulated to a depth of 40% by an audio sine wave is 11 amperes. It increased to 12 ampere as a result of simultaneous modulation by another sine wave. The modulation index due to this second sine wave is :
0.4
0.757
0.643
0.8