Question is ⇒ Waveform shown in figure is that, Options are ⇒ (A) FM, (B) PCM, (C) AM-DSB, (D) AM-SSB, (E) , Leave your comments or Download question paper.

Question is ⇒ Waveform shown in figure is that, Options are ⇒ (A) FM, (B) PCM, (C) AM-DSB, (D) AM-SSB, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Waveform shown in figure is that
A.	FM [Wrong Answer]
B.	PCM [Wrong Answer]
C.	AM-DSB [Correct Answer]
D.	AM-SSB [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 :

⇒ A (A + B) =
A
B
A
B

⇒ If G(s)H(s) = K (T₁s + 1)/[s² (T₂s + 1)] the system stability depended an relative magnitudes of T₁ and T₂.
TRUE
FALSE

⇒ The presence of some holes in an intrinsic semiconductor at room temperature is due to
valence electrons
doping
free electrons
thermal energy

⇒ In which of the following 8085 instructions are all condition flags except CY affected?
INR r
SEE M
ACI data
ADC r

⇒ In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. The rejection ratio at 25 MHz will be
1.116
1.386
2.116
2.386

⇒ In figure, which value of Z_L will cause maximum power to be transferred to the l
2 + j2 Ω
2 - j2 Ω
- 2 Ω
2 Ω

⇒ As compared to the number of network elements in Brune synthesis, the number of network elements Bott-and Duffin in realization is
more
less
equal
any of the above

⇒ When analysing two port networks in cascade, it is more convenient to use
z parameters
h parameters
T parameters
y parameters

⇒ The input to a parity detector is 1001. The output is
0
1
0 or 1
indeterminate

⇒ A dc series motor is coupled to a load whose torque is proportional to speed. It is fed by a single phase ac supply through a full converter. When speed is 500 rpm, firing angle is 45°. It is desired to raise the speed. It will be necessary to
decrease the firing angle
increase the firing angle
either decrease or increase the firing angle depending on the required speed
decrease the load torque

⇒ The resistance of a dc galvanometer is 20 Ω. A current of 10 mA causes full scale deflection. To convert it into 0-300 V voltmeter, we have to use a series resistance of
30000 Ω
29980 Ω
6000 Ω
15 Ω

⇒ The signal plate of vidicon tube is coated with tin oxide.
TRUE
FALSE

⇒ The logic circuit of the given figure realizes the func
(A + B + C)(D)(E)
(A + B + C) (D)(E)
(A + B = C) (D)(E)
(A + B + C)(D)(E)

⇒ In the generic microprocessor
instruction cycle time period is shorter than machine cycle time period
machine cycle time period is shorter than instruction cycle time period
instruction cycle time period is exactly half of machine cycle time period
instruction cycle time period is exactly equal to machine cycle time period

⇒ If C is spring constant and θ is deflection, controlling torque is
Cθ
C/θ
θ/C
C²θ

⇒ Which is correct for a transfer function?
The poles and zero must be complex
If the poles and zeros are complex or imaginary, they must be conjugate
If the poles and zeros are complex they must be simple
If a zero is imaginary, it must be simple

⇒

Assertion (A): The main use of Miller integrator is to generate ramp

Reason (R): An inverting amplifier can handle more than one input at the same time.

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ If V_a1 = V_a2 = 100 V and V_a0 = 0, then V_a, V_b, V_c are
200, -100 and -100 V
100, 100, 300 V
200, 100, 100 V
100, -100, 100 V

⇒ Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called
Debye temperature
Curie temperature
Neel temperature
Transition temperature

⇒ Choose the correct match for input resistance of various amplifier configurations shown below configurat
CB-LO, CC-MO, CE-HI
CB-LO, CC-HI, CE-MO
CB-MO, CC-HI, CE-LO
CB-HI, CC-LO, CE-MO

⇒ In a semi converter feeding a resistive load, the firing angle is a. Each thyristor conducts for
p radians
(p - a) radians
(p + a) radians
(p - 0.5 a) radians

⇒ Dielectric strength of which of the following material has the highest dielectric strength?
Porcelain
Soft rubber
Glass
Joule effect

⇒ Which of the following codes is based on BCD format?
EBCDIC
ASCII
Hollerith
both (a) and (b)

⇒ If a wave is propagated in free space, it will be in nature of
TE
TM
TEM
Any one of above

⇒ In the given figure the input frequency f = 0.1 (1/2 p
0 dB
3 dB
-3 dB
20 dB

⇒ Which of the following statements is correct?
In the magnetic circuit energy is needed continuously to maintain the flux
In the magnetic circuit energy is needed continuously to maintain the flux
The flow of current in the electric circuit involves discontinuous expedition of energy
The flow of current in the electric circuit requires energy for creating the current but not to maintain it

⇒ The noise figure of klystron amplifier is about
25 dB
3 dB
zero
1 dB

⇒ The IF bandwidth of a radar receiver is inversely proportional to
pulse interval
pulse width
PRF
none of the above

⇒ The 2's complement representation of - 17 is
1110
1111
11110
10001

⇒

Assertion (A): Logical group of instructions contains instructions for logic operations.

Reason (R): Data transfer group instruction is basically a copying instruction.

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