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Which one of the following cannot be used to remove the unwanted sideband in SSB? | |
A. | Balanced modulator [Correct Answer] |
B. | Phase shift method [Wrong Answer] |
C. | Filter system [Wrong Answer] |
D. | Third method [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ A signum function is
zero for t greater than zero
zero for t less than zero
unity for t greater than zero
2∪(t) - 1
⇒ If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about
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334 m/s
353 m/s
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⇒ For circuit in figure, which combination of V_{TH} and R_{TH} represents the circuit as seen from ab<
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⇒ The maximum effective aperture of λ/2 (half-wave) antenna is
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1.3 λ^{2}
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⇒ A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is
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111
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zero for t greater than zero
zero for t less than zero
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⇒ If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about
330 m/s
334 m/s
353 m/s
380 m/s
⇒ For circuit in figure, which combination of V_{TH} and R_{TH} represents the circuit as seen from ab<
1 V, 10 Ω
1 V, 1000 Ω
1 mV, 1000 Ω
1 mV, 10 Ω
⇒ The maximum effective aperture of λ/2 (half-wave) antenna is
0.013 λ^{2}
0.13 λ^{2}
1.3 λ^{2}
13 λ^{2}
⇒ A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is
10101
1.0101
404.04
10.101
⇒ In a CRO, the time base signal is applied to
X plates
Y plates
either X or Y plates
alternately X and Y plates
⇒ The two numbers represent in signed 2's complement form are P = 11101101 and Q = 111001110. If Q subtracted from P, the value obtained in signed 2's complement form is
100000111
111
11111001
111111001
⇒ The v-i characteristics of a diode may be linear or non linear.
TRUE
FALSE
⇒ A line of characteristic impedance 400 Ω is terminated by a resistance of 400 Ω. The reflected quantities are
zero
equal to incident quantities
half the incident quantities
double the incident quantities
⇒ The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z
4 bit adder giving P + Q
4 bit subtractor giving P - Q
4 bit subtractor giving Q - P
4 bit adder giving P + Q + R
⇒ The materials not having negative temperature coefficient of resistivity are
metals
semiconductors
insulators
none of the above
⇒ Two resistances of 2 Ω each are connected in series. A shunt having zero resistance is connected across the combination. The overall resistance will be
4 Ω
1 Ω
0.5 Ω
zero
⇒ As wavelength decrease the size of high directivity antenna
decreases
increases
is not affected
either (b) or (c)
⇒ In a mechanical accelerometer, the steady state displacement is a measure of
constant input acceleration
constant input velocity
either (a) or (b)
neither (a) nor (b)
⇒ The total number of leads in SCR, DIAC and TRIAC respectively are
3, 2, 3
2, 3, 3
3, 3, 2
3, 2, 4
⇒ In the given figure 15.6 shows a series, R - C circuit fed by a current source i(t). There is an initial voltage v_{0}. across the capacitor. The sy
is linear
is non linear
may be linear or non linear
is linear only if v_{0} is zero
⇒ If operator 'a' = 1 ∠120° then (1 + a + a^{2}) =
-a
-a^{2}
1
0
⇒ In N-type semiconductor
electrons are majority carriers while holes are minority carriers
electrons are majority carriers while holes are majority carriers
both electrons as well as holes are majority carriers
both electrons as well as holes are minority carriers
⇒
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List I (Transducer) | List II (Operation) | ||
---|---|---|---|
A. | Bourden tube | 1. | Fluid flow to resistance change |
B. | Hot wire ammeter | 2. | Velocity to pressure |
C. | Hydrometer | 3. | Pressure to displacement |
D. | Pitot tube | 4. | Specific gravity to displacement |
A-1, B-3, C-2, D-4
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3
4
5
It is compiler dependent
⇒ One electron volt is equivalent to
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1.6 x 10^{-13} joule
1.6 x 10^{-16} joule
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⇒ Ground wave can be used for communication upto
5 kHz
12 kHz
16 kHz
25 kHz
⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE
⇒
Assertion (A): Industrial robots improve productivity.
Reason (R): Robots can handle monotonous and complex jobs without error in operation.
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 but R is wrong
R is correct but A is wrong
⇒ The percentage limiting error in an instrument reading 8.3 V and having guaranteed accuracy of 1% of the full scale reading and range of 0-150 V is
0.0181
0.00181
0.181
0.000018
⇒ Which of these triggering methods for series connected SCRs use LASCR in the gate circuit?
Resistance triggering
Simultaneous triggering
Sequential triggering
Optical triggering
⇒ A loss less line is terminated in a circular lines are E lines
SWR = 0
SWE = 0
SWR is finite
SWR = ∞
⇒ Solution of Laplace equations, which are continuous through the second derivative, are called
bessel functions
odd functions
harmonic functions
fundamental functions
⇒ If B, H and M denote flux density, field intensity and magnetisation, B = μ_{0} (H + M).
TRUE
FALSE
⇒ The phenomenon of dielectric hysteresis occurs with
dc
ac
both ac and dc
none of the above