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Consider the following statements about polar plots
| |
A. | Both are correct [Correct Answer] |
B. | Both are wrong [Wrong Answer] |
C. | 1 is correct and 2 is wrong [Wrong Answer] |
D. | 2 is correct and 1 is wrong [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 :
⇒ The residual resistivity of a binary alloy at 0°K is
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the difference of the residual resistivities of the component metals
the product of the residual resistivities of the component metals
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⇒ The residual resistivity of a binary alloy at 0°K is
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the difference of the residual resistivities of the component metals
the product of the residual resistivities of the component metals
depend on the concentration of the minor component in the alloy
⇒ The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is
40 mA
20 mA
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⇒ The carrier mobility in a semiconductor is 0.4 m^{2}/Vs. Its diffusion constant at 300k will be (in m^{2}/s).
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FALSE
⇒ In N channel MOSFET with gate reverse biased, the gate current is of the order
10^{-3} amp
10^{-6} amp
10^{-9} amp
10^{-12} amp
⇒ The IF amplifier in a superheterodyne receiver is
single-stage single-timed amplifier
two stage of single tuned amplifier
double tuned amplifier
class-C amplifier
⇒ A RADAR can be used to
aim a gun at an aircraft
to direct guided missiles
to search submarines
all of the above
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Maximum power transfer theorem
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150 m
300 m
75 m
600 m
⇒ If v(t) = 0 for t < 0 and e^{-at} for t ≥ 0 V(jω) = 1/(a + jω).
TRUE
FALSE
⇒ If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is
a larger floating point number
a smaller floating point number
either (a) or (b) depending on the actual number
a negative floating point number
⇒ Out of the following memory types, one that is volatile is
ferrite-core
semiconductor RAM
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⇒ In a CE amplifier circuit
Q point must lie on both dc and ac load lines
Q point lies on dc load line
Q point lies on ac load line
Q point lies may or may not lie on both dc and ac load lines
⇒ A transmission line terminates in two branches, each of length λ/4, as shown. The branches are terminated by 50Ω loads. The lines are lossless and have the characteristics impedances shown. Determine the impedance Z_{1} as seen by the so
200Ω
100Ω
50Ω
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⇒
Assertion (A): Data communication using digital data must be very accurate.
Reason (R): In analog signals redundancy is available but in digital signals redundancy is not available.
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
A is wrong but R is correct
⇒ Four terminal approach is used in measuring low resistance because it
eliminates thermoelectric energy
eliminates stray capacitance
eliminates stray inductance
eliminates the effect of leads and contacts
⇒ In the signal flow graph of figure, y/x equ
3
42857
2
None of the above
⇒ What is the propagation constant for air filled wave guide with dimensions a = 1.59" and b = 0.795" at 4.95 GHz?
0.6698
0.7698
0.503
0.6598
⇒
Match the following:
List I (Signal) | List II (Value) | ||
---|---|---|---|
A. | AM | 1. | 0 0.5 |
B. | DSB - SC | 2. | 1 |
C. | SSB | 3. | 2 |
D. | FM (β = 2) | 4. | 16 |
E. | FM (β = 5) | 5. | 8 |
A-1, B-3, C-2, D-5, E-4
A-3, B-3, C-1, D-5, E-4
A-2, B-1, C-4, D-5, E-5
A-4, B-2, C-5, D-3, E-1
⇒ Which of the following logic no resistors are used?
CMOS
TTL
4 n sec ECL
8 sec ECL
⇒ Why does a FM radio station perform better than and AM station radiating the same actual power?
FM is immune to noise
AM has only two sidebands while FM has more
FM uses larger bandwidth for large modulation depth.
Capture effects appears in FM.
⇒ A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t) w
δ(t)
m(t)
0
m(t) δ(t)
⇒ The circuit given below
Band stop filter
Band pass filter
Oscillator circuit
All pass filter
⇒ In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is
0.25
0.33
0.5
1