Question is ⇒ Since noise phase modulated FM wave, as the noise sideband frequency approaches the carrier frequency, the noise amplitude, Options are ⇒ (A) is equalized, (B) is increased, (C) is decreased, (D) remains constant, (E) , Leave your comments or Download question paper.

Question is ⇒ Since noise phase modulated FM wave, as the noise sideband frequency approaches the carrier frequency, the noise amplitude, Options are ⇒ (A) is equalized, (B) is increased, (C) is decreased, (D) remains constant, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Since noise phase modulated FM wave, as the noise sideband frequency approaches the carrier frequency, the noise amplitude
A.	is equalized [Wrong Answer]
B.	is increased [Wrong Answer]
C.	is decreased [Correct Answer]
D.	remains constant [Wrong Answer]
View Answer 1 -2 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?
TE₀₁
TE₁₁
TE₀₅
TE₂₁

⇒ Atomic number of germanium is
24
28
32
36

⇒ Find Y in the circuit bel
f₂
f₂
0
∑(0, 1, 2, 3, 5, 6, 9)

⇒ Which of the following circuit has the greatest bandwidth?
f_r = 455 MHz; Q = 10
f_r = 455 MHz; Q = 100
f_r = 1 MHz; Q = 100
f_r = 1 MHz; Q = 10

⇒ The radiation resistance of a λ/16 wire dipole in free space will be nearly
1 Ω
3 Ω
13 Ω
30 Ω

⇒ In Bode diagram (log magnitude plot) of the factor 1/(1 + jωT) in the transfer function the log magnitude for ω << 1/T can be approximated by
0 dB
20 log ωT dB
-20 log ωT dB
none of the above

⇒ When a trivalent impurity is added, the semiconductor becomes
p type
n type
intrinsic
neutral

⇒ The two terms used to describe performance of a directional coupler are
coupling and directivity
gain and coupling
gain and directivity
gain and isolation

⇒ A device that converts from decimal to binary numbered is called
decoder
encoder
CPU
converter

⇒ For the discrete time system of the given fig
y_k = 0.5 u_{k - 2} - u_k - 0.25 y_k - 1
y_k = 0.5 u_k_{- 1} - u_k - 0.25 y_k - 1
y_k = 0.5 u_k - u_k_{- 1} - 0.25 y_k - 1
y_k = 0.5 u_k_{- 1} - u_k_{- 1} - 0.25 y_k - 1

⇒ Java's syntax is based on
C
C + +
Fortran 77
Pascal

⇒ A 'rat race' is a
hybrid junction for microwaves
a microwave oscillator
a microwave amplifier
a microwave antenna

⇒ In degenerate p type semiconductor material, the Fermi level,
is in the valence band
is in conduction band
is at the centre in between valence and conduction bands
is very near conduction band

⇒ Which dc servomotor requires strongest permanent magnet?
Slotted armature
Surface wound armature
Surface wound with stationary rotor
Either (a) or (b)

⇒ The noise figure of individual stages of a two stage amplifier is 2.03 and 1.54 respectively. If gain of first stage is 62, the overall noise figure is
2.03
2.055
3.05
6.05

⇒ A telephone user while talking to a person via a satellite has to wait for reply for about __________ millisecond.
100
270
470
540

⇒ The hexadecimal number BBC7 is equivalent to decimal number
49761
46791
47691
49761

⇒ What is an advantage of an electronic voltmeter over a non-electronic voltmeter?
Low power consumption
Low input impedance
The ability to measure wide ranges of voltages and resistance
Large portability

⇒ A Hartley oscillator is used for
very low frequencies
radio frequencies
micro wave frequencies
audio frequency

⇒ If the value of C₂ and C₃ are doubled, the oscillation frequency will be
quadrupled
doubled
unchanged
halved

⇒ Specific resistance of silver is about
0.16 x 10^-8 Ω-m
1.64 x 10^-8 Ω-m
16 x 10^-8 Ω-m
164 x 10^-8 Ω-m

⇒

Assertion (A): The equation D = ∈₀∈_rE is applicable only to isotropic materials.

Reason (R): In polycrystalline materials, the directional effects are absent.

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 but R is false
A is false but R is true

⇒ Which mode is usually preferred for cascading?
CE
CB
CC
Any of the above

⇒ If an inverter is placed at the input to an SR flip-flop, the result is
T flip-flop
D flip-flop
JK flip-flop
BCD decade counter

⇒ Poynting vector signifies which of the following?
Power density vector producing electrostatic field
Power density vector producing electromagnetic field
Current density vector producing electrostatic field
Current density vector producing electromagnetic field

⇒ A modem is classified as low speed if data rate handled is
upto 100 bps
upto 250 bps
upto 400 bps
upto 600 bps

⇒ In FM signal with a modulation index m_f is passed through a frequency tripler. The wave in the output of the tripler will have a modulation index of
m_f
3m_f
m_f/3
m_f/9

⇒ The sensitivity of human eyes is maximum at
white portion of spectrum
green portion of spectrum
red portion of spectrum
violet portion of spectrum

⇒ Shaft encoder is used to measure
angular position
linear position
linear velocity
linear acceleration

⇒ The resistance of a metallic wire would
increase as f increase
decrease as f increase
remains the same at all frequencies
increase with f up to a certain frequency and then decrease