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Output of a phase splitter is | |
A. | a pair of sine waves of unequal amplitude [Wrong Answer] |
B. | a pair of sine waves of equal amplitudes [Wrong Answer] |
C. | a pair of sine waves of equal amplitudes and opposite phase [Correct Answer] |
D. | a pair of sine waves of unequal amplitudes and opposite phase [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
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⇒
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⇒ If a microstrip is enclosed in a metal enclosure
the radiation losses are increased
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⇒ A silicon diode is forward biased and total applied voltage is 5 V. The voltage across p-n junction is
5 V
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⇒ The best excited reflector from a wave guide is
horn
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biconical
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⇒ Which of the following pairs are correctly matched?
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synchronous TDM
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All
⇒ Which of the following microphones works on the piezoelectric effect?
Carbon
Condenser
Moving coil
Crystal
⇒ Ferromagnetic materials
shows spontaneous magnetisation below a certain temperature
have resistivity very high as compared to that of iron
can be used even at microwave frequencies
all of the above
⇒ The region between a pin of parallel perfectly conducting planes of infinite extent is y and z directions is partially filled with a dielectric as shown be
-2
2
0
1
⇒ For the same length of arrays, half power beam-width of binomial array
is equal to that of uniform arrays
is less than that of uniform array
is more than that of uniform array
is negligible as compared to that of uniform array
⇒ The ROC of sequence in the Z.T. of sequence x[n] = a^{n} ∪ [n] is
z > a
z < a
|z| > a
|z| < a
⇒ If P = 250 W and p.f. = 0.707 lagging, Q =
250 vars
- 250 vars
176.7 vars
- 176.75 vars
⇒ Which chopper circuit operates in all the 4 quadrants?
A
C
D
E
⇒ What would be the reading of voltmeter as shown in below figure. The voltmeter has a 0-1 V scale and is a 20000 Ω/V me
0.4545 V
0.082 V
0.82 V
4.54 V
⇒ In an ac circuit that delivers constant power at varying p.f., the current is
lowest when p.f. is leading
lowest when p.f. is lagging
lowest when p.f is unity
the same for all power factors
⇒ Mobility is directly proportional to Hall coefficient.
TRUE
FALSE
⇒ For a second order system, the position of poles is shown in the given figure. This syste
undamped
overdamped
underdamped
critically damped
⇒ The dielectrics having only one kind of atoms are known as elemental dielectrics.
TRUE
FALSE
⇒ Which of the following addressing modes is used in the instruction PUSH B?
Direct
Register
Register Indirect
Immediate
⇒ The Fourier series representation of a periodic current (2 + 62 cos ωt +48 sin 2ωt) A. The effective value is
(2 + 6 + 24) A
0.333333333333333
0.25
0.0833333333333333
⇒ Fourier transform is defined for
periodic
non-periodic
finite duration
all
⇒ If carrier is modulated by a digital bit stream having one of the possible phases of 0°, 90°, 180°, and 270°, then modulation is called
BPSK
QPSK
QAM
MSK
⇒ The cut off wavelength in circular waveguide
guide diameter
square of guide diameter
cube of guide diameter
square root of guide diameter
⇒ Laplace transform of unit doublet is
1/s
s^{2}
s
none
⇒ Which of the following is not a characteristic of a flip flop?
It is a bistable device
It has two outputs
It has two outputs are complement of each other
It has one input terminal
⇒ In a series RLC circuit, the current at resonance is I_{0} the total energy stored in the circuit at resonance is
LI_{0}^{2}
2 LI_{0}^{2}
2 LI_{0}^{2}
0.5 LI^{2}
⇒ 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