Question is ⇒ Radar reciever has high sensitivity and low noise figure, Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ Radar reciever has high sensitivity and low noise figure, Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Radar reciever has high sensitivity and low noise figure
A.	TRUE [Correct Answer]
B.	FALSE [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 :

⇒ The minimum gate source voltage that creates the n-type inversion layer is called
cut off voltage
on voltage
threshold voltage
zener voltage

⇒ What is the major cause of creeping in an energy-meter?
Over compensation for friction
Mechanical vibrations
Excessive voltage across the potential coil
Stray magnetic fields

⇒ A 1000 kHz carrier wave modulated 40% at 4000 Hz is applied to a resonant circuit tuned to a carrier frequency and having Q = 140. What is the degree of modulation after passing the wave through this circuit?
0.4
0.2
0.27
0.554

⇒ The number of roots of s³ + 2s² + 7s + 3 = 0 in the left half of the s-plane is :
zero
one
two
three

⇒ For a full rectified sine wave, the form factor and peak factor respectively are
1.57 and 2
1.57 and 2
1.11 and 1.11
1.11 and 2

⇒ With respect to transmission parameters, which one of the following is correct?
A and B are dimensionless
B and C are dimensionless
A and D are dimensionless
B and D are dimensionless

⇒ In telephone, the dial tone has a frequency of
5 Hz
15 Hz
33 Hz
233 Hz

⇒ When thyristors are connected in parallel, the current distribution may become non-uniform due to
inductive effect of current carrying conductors
capacitive effect of current carrying conductors
both inductive and capacitive effects
none of the above

⇒ SSI refers to ICs with
less than 12 gates on the same chip
less than 8 gates on the same chip
less than 6 gates on the same chip
less than 3 gates on the same chip

⇒ Which of the following is correct for a driving point functions?
The real parts of all poles must be negative
The real parts of all poles and zeros must be negative
The real parts of all poles and zeros must be negative or zero
The real parts of all zeros must be negative

⇒ In a transistor with normal bias
the emitter junction has a low resistance
the emitter junction has a very high resistance
the emitter junction supplies majority carries into the base region
none of the above

⇒ Measurement of radiation resistance by reflection method is suitable for
parasitic element antennas
low frequency vertical conductor antenna
all type of antennas
none of the above

⇒ A geostationary satellite
is located at a height of 358, 00 km
appears stationary over earth's magnetic pole
is motionless in space but keeps spinning
orbits the earth within a 24 hour period

⇒ In n-well CMOS fabrication substrate is:
heavily doped n-type
heavily doped p-type
lightly doped n-type
lightly doped p-type

⇒ The main advantage of TWT over klystron is
higher bandwidth
higher gain
higher frequency
higher output

⇒ In a conductor the current flow is due to
holes
electrons
ions
electrons and ions

⇒ A conductor carries 10 A current in + x direction and is lying in a field having a flux density 0.2 T directed along + z direction. The magnitude of force per metre length and direction are
2 N, + y direction
2 N, - y direction
0.02 N, + y direction
0.02 N, - y direction

⇒ When the core of a saturable reactor is saturated, the inductance is high.
TRUE
FALSE

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

⇒ When a bit is 0 is a DDR, it makes the corresponding port pin an __________ On the other hand, a 1 bit programs a __________ Pin.
output, input
output, output
input, input
input, output

⇒ The unit of displacement density is
volt/metre
ampere/metre²
coulombs/metre
coulombs/metre²

⇒ In a semi converter feeding a resistive load,
the waveshapes of input voltage and input current are always similar
the waveshapes of input voltage and input current can never be similar
the waveshapes of input voltage and input current are similar only if firing angle is zero
the waveshapes of input voltage and input current are similar only if firing angle is high

⇒ Waveguides are generally used above
20 MHz
100 MHz
200 MHz
1000 MHz

⇒ The ratio of impurity atoms to intrinsic semiconductor atoms in an extrinsic semiconductor is about.
0.0486111111111111
0.736111111111111
1 : 100000
1 : 10⁸

⇒ Hollow waveguides are used as transmission lines at frequencies
above 1 GHz
above 5 GHz
above 10 MHz
above 1 MHz

⇒ The IF frequencies in a TV receiver
38.9 MHz for video and 33.4 MHz for audio
38.9 MHz for both video and audio
33.4 MHz for both video and audio
33.4 MHz for video and 38.9 MHz for audio

⇒ Three analog signals, having bandwidths 1200 Hz, 600 Hz, 600 Hz are sampled at their Nyquist rates, encoded with 12 bit words, and time division multiplexed. The bit rate for the multiplexed signal is
115.2 kbps
28.8 kbps
57.6 kbps
38.4 kbps

⇒

Assertion (A): Derivative control action cannot be used alone.

Reason (R): Derivative control action is effective only during transient periods.

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 number of distinct Boolean expression of 4 variables is
16
256
1024
65536

⇒ Which pair is correctly matched?
Symmetrical two port AD - BC = 1
Reciprocal two port z₁₁ = z₁₂
Inverse hybrid parameter A, B, C, D
hybrid parameter (V₁, I₂) = f(I₁, V₂)