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Consider the following statements: The radar pulse must be flat topped to
| |
A. | 1, 2, 3, 4 [Wrong Answer] |
B. | 1, 2, 3 [Correct Answer] |
C. | 1, 2 [Wrong Answer] |
D. | 1, 3, 4 [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ A generator is feeding power to a transmission line of characteristic impedance Z_{0}. The line is terminated in impedance Z_{L}. Standing waves will be set up if
Z_{L} = Z_{0}
Z_{L} < Z_{0}
Z_{L} > Z_{0}
both (b) and (c)
⇒ The type of feedback in the following circuit diag
Voltage shunt
Current-shunt
Voltage series
Current series
⇒ A step voltages is applied to RLC series circuit having R = 2 Ω, L = 1 H and C = 1 F. The transient current response will be
over damped
critically damped
under damped
any of the above depending the magnitude of voltage
⇒ Thermal noise is independent of
temperature
bandwidth
centre frequency
Boltzmann constant
⇒ For the characteristic equation s^{5} + s^{4} + 2s^{3} + 2s^{2} + 3s + 15 = 0, the number of roots in left half s plane are
1
2
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5
⇒ A function f(t) = k e^{at} is __________ for (a > 0).
stable
unstable
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none
⇒ If V_{a0}, V_{a1}, V_{a2} are sequence components of V_{a} and I_{a0}, I_{a1}, I_{a2} are sequence components of I_{a}, then total 3 phase power P is given by
P = V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}
P = V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}^{*}
P = 3(V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2})
P = 3(V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}^{*})
⇒ The current I_{CBO}
increases with increases in temperature
is normally greater for silicon transistor than germanium transistors
mainly depends on the emitter base junction bias
depends largely on the emitter doping
⇒ Bandwidth is proportional to speed of response.
TRUE
FALSE
⇒ Fibers have numerical aperture (NA) in the range of 0.15 to 0.4 Fibers with higher NA value would have
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reduced losses and low bandwidth
more losses and low bandwidth
⇒ For an RC admittance function
the lowest critical frequency is a zero
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the lowest critical frequency is zero and the highest critical frequency is a pole
the lowest critical frequency is a pole
⇒ The scale of PMMC instrument is linear.
TRUE
FALSE
⇒ Which one of the following statement is correct?
Both Laplace's (L) and Poisson's (P) equation are non linear
L is non linear but P is linear
L is linear but P is non linear
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⇒ Which of these is used in seven segment display?
PIN diode
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⇒ When microwave signals follow the curvature of the earth, this is known as
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⇒ Half power point directions for broadside is
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⇒
Both A and R are correct and R is correct explanation of A
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A is wrong but R is correct
⇒ In cable TV local programmes can be telecast at any frequency.
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⇒ A XOR gate has inputs A and B and output Y. Then the output equation is
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Y = A B + A B
Y = A B + A B
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*
/
Div and Mod
⇒ (29)_{13} ÷ (29)_{12} x (29)_{x} = (23)_{16} Find x
11
12
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⇒ The terminals of a power MOSFET are called
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⇒ The resistance of a photoconductor
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may increase or decrease with increase in light intensity
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⇒ Find current flowing through 1 H inductor at t = 0, at which switch 'S' is ope
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2
3
5
⇒ In a JFET, the lower end is called the __________ and the upper end is called the __________ .
source, channel
channel, drain
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⇒ A linear system is characterized by H(ω) = Be^{-2ω2} the system is physically
unrealizable
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depends upon B
depends upon constant 2
⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
942 m
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⇒ In a Weston synchronoscope the deflecting torque is zero when
currents in fixed and moving coils are in phase
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none of the above
⇒ In full wave rectification, if the input frequency is 50 Hz, then frequency at the output of filter is
50 Hz
0 Hz
100 Hz
75 Hz
⇒ The size of cache memory in most microcomputers is about
a few bytes
a few kilobytes
a few megabytes
a few gigabytes
⇒ A generator is feeding power to a transmission line of characteristic impedance Z_{0}. The line is terminated in impedance Z_{L}. Standing waves will be set up if
Z_{L} = Z_{0}
Z_{L} < Z_{0}
Z_{L} > Z_{0}
both (b) and (c)
⇒ The type of feedback in the following circuit diag
Voltage shunt
Current-shunt
Voltage series
Current series
⇒ A step voltages is applied to RLC series circuit having R = 2 Ω, L = 1 H and C = 1 F. The transient current response will be
over damped
critically damped
under damped
any of the above depending the magnitude of voltage
⇒ Thermal noise is independent of
temperature
bandwidth
centre frequency
Boltzmann constant
⇒ For the characteristic equation s^{5} + s^{4} + 2s^{3} + 2s^{2} + 3s + 15 = 0, the number of roots in left half s plane are
1
2
3
5
⇒ A function f(t) = k e^{at} is __________ for (a > 0).
stable
unstable
marginal
none
⇒ If V_{a0}, V_{a1}, V_{a2} are sequence components of V_{a} and I_{a0}, I_{a1}, I_{a2} are sequence components of I_{a}, then total 3 phase power P is given by
P = V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}
P = V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}^{*}
P = 3(V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2})
P = 3(V_{a0}I_{a0} + V_{a1}I_{a1} + V_{a2}I_{a2}^{*})
⇒ The current I_{CBO}
increases with increases in temperature
is normally greater for silicon transistor than germanium transistors
mainly depends on the emitter base junction bias
depends largely on the emitter doping
⇒ Bandwidth is proportional to speed of response.
TRUE
FALSE
⇒ Fibers have numerical aperture (NA) in the range of 0.15 to 0.4 Fibers with higher NA value would have
reduced losses
high bandwidth
reduced losses and low bandwidth
more losses and low bandwidth
⇒ For an RC admittance function
the lowest critical frequency is a zero
the highest critical frequency is a pole
the lowest critical frequency is zero and the highest critical frequency is a pole
the lowest critical frequency is a pole
⇒ The scale of PMMC instrument is linear.
TRUE
FALSE
⇒ Which one of the following statement is correct?
Both Laplace's (L) and Poisson's (P) equation are non linear
L is non linear but P is linear
L is linear but P is non linear
L, P both is linear
⇒ Which of these is used in seven segment display?
PIN diode
LED
Photo diode
Tunnel diode
⇒ When microwave signals follow the curvature of the earth, this is known as
the Faraday effect
ducting
tropospheric scatter
ionospheric reflection
⇒ Half power point directions for broadside is
60°
30°
45°
at any angle
⇒
Assertion (A): The impedance of a matched load is equal to characteristic impedance of line.
Reason (R): A matched termination absorbs all the power incident on it.
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
⇒ In cable TV local programmes can be telecast at any frequency.
TRUE
FALSE
⇒ A XOR gate has inputs A and B and output Y. Then the output equation is
Y = AB
Y = AB + A B
Y = A B + A B
Y = A B + A B
⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?
+ and -
*
/
Div and Mod
⇒ (29)_{13} ÷ (29)_{12} x (29)_{x} = (23)_{16} Find x
11
12
13
16
⇒ The terminals of a power MOSFET are called
emitter, base, collector
source, gate, drain
source, base, drain
emitter, gate, drain
⇒ The resistance of a photoconductor
increases with increase in light intensity
decreases with increase in light intensity
may increase or decrease with increase in light intensity
remains constant
⇒ Find current flowing through 1 H inductor at t = 0, at which switch 'S' is ope
0
2
3
5
⇒ In a JFET, the lower end is called the __________ and the upper end is called the __________ .
source, channel
channel, drain
source, drain
drain source
⇒ A linear system is characterized by H(ω) = Be^{-2ω2} the system is physically
unrealizable
realizable
depends upon B
depends upon constant 2
⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?
942 m
2070 m
4978 m
5320 m
⇒ In a Weston synchronoscope the deflecting torque is zero when
currents in fixed and moving coils are in phase
currents in fixed and moving coils are out of phase by 90°
currents in fixed and moving coils are out of phase by 60°
none of the above
⇒ In full wave rectification, if the input frequency is 50 Hz, then frequency at the output of filter is
50 Hz
0 Hz
100 Hz
75 Hz
⇒ The size of cache memory in most microcomputers is about
a few bytes
a few kilobytes
a few megabytes
a few gigabytes