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Consider the following statements:
| |
A. | 1, 2, 3 [Wrong Answer] |
B. | 1, 3, 4 [Wrong Answer] |
C. | 1, 2, 4 [Wrong Answer] |
D. | 2, 3, 4 [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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1250
330
2500
8330
⇒ Consider the following statement in FORTRAN 77
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⇒ In the given figure shows a 4 bit serial in parallel out right shift register. The initial contents as shown are 0110. After 3 clock pulses the contents wil
0
101
1010
1111
⇒ Figure of merit is always unity in
AM
SSB-SC
FM
All
⇒ In Gunn diode electrons are transferred from
Ridge guide is essentially a form of capacitively loaded guide
low to high mobility energy bands
valley to domain formation
domain to valley formation
⇒ The ac bridge in figure is balanced. Z_{1} = 100∠30°, Z_{2} = 150∠0°, Z_{3} = 250∠ - 40° Then Z_{4375∠70° Ω375∠ - 70° Ω150∠0° Ω150∠20° Ω}
⇒ A longwave AM broadcast transmitter needs
very small carrier power
very large carrier power
small carrier power
large carrier power
⇒ A current increasing at the rate of 1A/s is passed through a 1 H inductor. At t = 0, i = 0. The flux linkages after 1 sec are
0.5 Wb-turn
1 Wb-turn
2 Wb-turn
4 Wb-turn
⇒ The most commonly used magnetron is
cylindrical
parallel plate
inclined plate
flat plate
⇒ Which has volatile memory?
Magnetic tape
RAM
Diskette
Hard disk
⇒ The open loop gain of an actual op-amp is about 100.
TRUE
FALSE
⇒ A magnetron has a cylindrical cathode surrounded by an anode structure having cavities opening into interaction space by means of slots
TRUE
FALSE
⇒ In a series regulated power supply circuit the voltage gain of pass transistor satisfies the condition
A_{v} → ∞
1 << A_{v} → ∞
A_{v} ≈ 1
A_{v} << 1
⇒ If D is mouth diameter of a paraboloid reflector, its directivity is proportional to
D
D^{2}
D
D^{3}
⇒ An ideal Op-amp is an ideal
voltage controlled current source
voltage controlled voltage source
current controlled current source
current controlled voltage source
⇒ A device that converts from decimal to binary numbered is called
decoder
encoder
CPU
converter
⇒ For a reflection co-efficient of 0.5, the value of SWR is
-1
1
2
3
⇒ The hexadecimal number system is
widely used in analyzing and programming microprocessors
an obsolete system no more in use
used in calculators only
none of the above
⇒ In broadside array
the principle direction radiation is perpendicular to the array axis and also to the plane containing the array elements
the principle direction radiation is parallel to the array axis and also to the plane containing the array elements
the principle direction radiation is parallel to the array axis and perpendicular to the plane containing the array elements
the principle direction radiation is perpendicular to the array axis and parallel to the plane containing the array elements
⇒ In any network of linear impedances the current flowing at any point equal to algebric sum of currents caused to flow at that point by each of the emf taken separately with all other emfs reduced to zero. The statement represents.
KCL
Norton's theorem
Thevenin's theorem
Superposition theorem
⇒ Photoelectric emitters in photo tubes are generally made of
alkali metals
metals
semiconductors
metal and semiconductors
⇒ Which dc servomotor requires strongest permanent magnet?
Slotted armature
Surface wound armature
Surface wound with stationary rotor
Either (a) or (b)
⇒ A microwave link uses only line-of-sight propagation.
TRUE
FALSE
⇒ In a ring counter for N clock pulses the scale for the counter is
N : 1
N : 2
N : 10
N : 100
⇒ Power gain of antenna equals directive gain in VHF and UHF range if and only if efficiency of the antenna is
0.25
0.5
0.75
1
⇒ A planar graph has 6 nodes and 7 branches. The number of meshes in the dual graph is
2
3
4
6
⇒ In a television transmitter, the output stage is most likely to be
screen modulated class C amplifier
plate modulated class C amplifier
grid modulated class A amplifier
grid modulated class C amplifier
⇒ The property is not valid for basic singularity function is
it is even signal
convolution of any arbitary function x(t) and an impulse is the original function itself
the sum of two impulses at same location is the impulse with the strength equal to the summation of individual strengths.
none of these.
⇒ Which of the following modulation is analog in nature?
PCM
DPCM
DM
PDM
⇒ The constant magnitude of G(s) plane are
a family of straight horizontal lines
a family of straight inclined lines with positive slope
a family of straight inclined lines with negative slope
a family of circles