Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
VSWR = E_{max}/E_{min}. | |
A. | TRUE [Correct Answer] |
B. | FALSE [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 :
⇒ A voltage v = 100 sin ωt + 10 sin 5 ωt is applied to a pure capacitor having capacitance of 1 μF. If ω = 314 rad/sec, the current through the capacitor is
0.0314 cos 314 t + 0.0157 cos 1570 t
0.0314 sin 314 t + 0.0157 sin 1570 t
0.0314 cos 314 t + 0.0314 cos 1570 t
0.0157 cos 314 t + 0.0157 cos 1570 t
⇒ A network has two branches in parallel. One branch contains impedance Z_{1} and the other branch has impedance Z_{2}. If it is fed from an ac voltage V of frequency f, the current through Z_{1} depends, on
V, Z_{1}, Z_{2}
V, Z_{1}
Z_{1}, Z_{2}
V, Z_{1}, f
⇒ In the human eye, an image persists for a time of about
1 second
0.1 second
0.05 second
0.02 second
⇒ M circles are symmetrical with respect to
real and imaginary axis
M = 1 straight line and real axis
M = 1 straight line and imaginary axis
M = 1 straight line
⇒ Consider the following statements about diamagnetic material and diamagnetism.
1 only
2 only
Both 1 and 2
neither 1 nor 2
⇒ If the iron core of a coil is removed so that it becomes an air cored coil, its inductance
will increase
will decrease
will remain the same
may increase or decrease
⇒ RC oscillator can be used upto
1 kHz
10 kHz
50 kHz
100 kHz
⇒ Regarding TASI which one of the following statements is wrong?
It snatches the channel in his speech and may allocate it to another speaker needing it.
The same speaker is reassigned a channel almost instantly when he speaks again even when the circuit is heavily loaded.
It increases the overall utilization of the transmission channel
Intercontinental callers sometimes confuse the effects of TASI with the effects of satellite delay.
⇒ Loss of charge method is suitable for medium resistances.
TRUE
FALSE
⇒ The equivalent unit of joule is
newton
newton-meter
newton-metre^{2}
none of the above
⇒ A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be
15 Ω
20 Ω
30 Ω
40 Ω
⇒ For the control system in the given figure, the value of K for critical dampin
1
5.125
6.831
10
⇒ A function is given f(t) = sin^{2}t + cos^{2}t. Which of the following is true?
f has frequency components at 0 and 1/2p Hz
f has frequency components at 0 and 1/p Hz
f has frequency components at 1/2p and 1/p Hz
f has frequency components at 0, l/2p and 1/p Hz
⇒ How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?
Two
Three
Four
None
⇒ The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is
2 sin ωt
2 sin (ωt + 45°)
2 sin (ωt - 45°)
22 sin ωt + 45°)
⇒ The Z parameters Z_{11} and Z_{21} for the 2-port network in the fig
Z_{11} = - 6/_{11}Ω; Z_{21} = 16/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} = 4/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} = - 16/_{11}Ω
Z_{11} = 4/_{11}Ω; Z_{21} = 4/_{11}Ω
⇒ Which among the following waveforms can be reconstructed from its samples without distort
1 and 2
2 and 3
1 and 3
Only 2
⇒ Which of the following functions would have only odd powers of x in its Taylor series expansion about the point x = 0?
sin (x^{3})
sin (x^{2})
cos (x^{3})
cos (x^{2})
⇒ The microprograms provided by a manufacturer to be used on his microprogrammed computer are generally called
software
network
firmware
hardware
⇒ When measuring phase angle between two waves using a CRO, the time base generator is connected to
X plate
Y plate
both X and Y plate
neither X nor Y plates
⇒ The spectral range of a band pass signal extends from 10 MHz to 10.4 MHz. What is the minimum sampling frequency required for reconstruction?
20 MHz
20.8 MHz
20.4 MHz
0.8 MHz
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ If h_{1}[n] = 3δ[n] + δ[n - 1], h_{2}[n] = 2δ[n] + δ[n
{6, 18, 7, 4, 0, - 6, 9}
{9, 0, - 6, 21, 7, 6, 1}
{7, - 1, 3, 1, 7, 0, 6}
{9, - 6, 0, 1, 21, 7, 18, 6}
⇒ Which of the following is not a valid logical expression in Pascal?
A > = B
A < = B
A = < B
A < > B
⇒ A non-linear element has zero resistance.
TRUE
FALSE
⇒ If operator 'a' = 1 ∠120° then (1 + a) =
-a
-a^{2}
a
-1
⇒ For a type 1 system and unit parabolic input, the steady state error is
0
∞
1
1/K_{v}
⇒ As regards single phase dual converter
the change in operation from one quadrant to the other is faster in non-circulating current mode
the change in operation from one quadrant to the other is faster in circulating current mode
the time response to change in operation from one quadrant to other is the same in both the modes
the time response to change in operation from one quadrant to the other may be faster in any of the two modes
⇒ Neper is
larger than a decibel
smaller than decibel
equal to 1 decibel
none of the above
⇒
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
A-3, B-4, C-1, D-2
A-3, B-1, C-2, D-4
⇒ A voltage v = 100 sin ωt + 10 sin 5 ωt is applied to a pure capacitor having capacitance of 1 μF. If ω = 314 rad/sec, the current through the capacitor is
0.0314 cos 314 t + 0.0157 cos 1570 t
0.0314 sin 314 t + 0.0157 sin 1570 t
0.0314 cos 314 t + 0.0314 cos 1570 t
0.0157 cos 314 t + 0.0157 cos 1570 t
⇒ A network has two branches in parallel. One branch contains impedance Z_{1} and the other branch has impedance Z_{2}. If it is fed from an ac voltage V of frequency f, the current through Z_{1} depends, on
V, Z_{1}, Z_{2}
V, Z_{1}
Z_{1}, Z_{2}
V, Z_{1}, f
⇒ In the human eye, an image persists for a time of about
1 second
0.1 second
0.05 second
0.02 second
⇒ M circles are symmetrical with respect to
real and imaginary axis
M = 1 straight line and real axis
M = 1 straight line and imaginary axis
M = 1 straight line
⇒ Consider the following statements about diamagnetic material and diamagnetism.
- The materials have negative magnetic susceptibility.
- At very low temperature diamagnetic materials.
1 only
2 only
Both 1 and 2
neither 1 nor 2
⇒ If the iron core of a coil is removed so that it becomes an air cored coil, its inductance
will increase
will decrease
will remain the same
may increase or decrease
⇒ RC oscillator can be used upto
1 kHz
10 kHz
50 kHz
100 kHz
⇒ Regarding TASI which one of the following statements is wrong?
It snatches the channel in his speech and may allocate it to another speaker needing it.
The same speaker is reassigned a channel almost instantly when he speaks again even when the circuit is heavily loaded.
It increases the overall utilization of the transmission channel
Intercontinental callers sometimes confuse the effects of TASI with the effects of satellite delay.
⇒ Loss of charge method is suitable for medium resistances.
TRUE
FALSE
⇒ The equivalent unit of joule is
newton
newton-meter
newton-metre^{2}
none of the above
⇒ A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be
15 Ω
20 Ω
30 Ω
40 Ω
⇒ For the control system in the given figure, the value of K for critical dampin
1
5.125
6.831
10
⇒ A function is given f(t) = sin^{2}t + cos^{2}t. Which of the following is true?
f has frequency components at 0 and 1/2p Hz
f has frequency components at 0 and 1/p Hz
f has frequency components at 1/2p and 1/p Hz
f has frequency components at 0, l/2p and 1/p Hz
⇒ How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?
Two
Three
Four
None
⇒ The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is
2 sin ωt
2 sin (ωt + 45°)
2 sin (ωt - 45°)
22 sin ωt + 45°)
⇒ The Z parameters Z_{11} and Z_{21} for the 2-port network in the fig
Z_{11} = - 6/_{11}Ω; Z_{21} = 16/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} = 4/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} = - 16/_{11}Ω
Z_{11} = 4/_{11}Ω; Z_{21} = 4/_{11}Ω
⇒ Which among the following waveforms can be reconstructed from its samples without distort
1 and 2
2 and 3
1 and 3
Only 2
⇒ Which of the following functions would have only odd powers of x in its Taylor series expansion about the point x = 0?
sin (x^{3})
sin (x^{2})
cos (x^{3})
cos (x^{2})
⇒ The microprograms provided by a manufacturer to be used on his microprogrammed computer are generally called
software
network
firmware
hardware
⇒ When measuring phase angle between two waves using a CRO, the time base generator is connected to
X plate
Y plate
both X and Y plate
neither X nor Y plates
⇒ The spectral range of a band pass signal extends from 10 MHz to 10.4 MHz. What is the minimum sampling frequency required for reconstruction?
20 MHz
20.8 MHz
20.4 MHz
0.8 MHz
⇒
Assertion (A): When excited by a unit step voltage, an inductor behaves as open circuit at t = 0.
Reason (R): Inductance has the property of inertia.
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ If h_{1}[n] = 3δ[n] + δ[n - 1], h_{2}[n] = 2δ[n] + δ[n
{6, 18, 7, 4, 0, - 6, 9}
{9, 0, - 6, 21, 7, 6, 1}
{7, - 1, 3, 1, 7, 0, 6}
{9, - 6, 0, 1, 21, 7, 18, 6}
⇒ Which of the following is not a valid logical expression in Pascal?
A > = B
A < = B
A = < B
A < > B
⇒ A non-linear element has zero resistance.
TRUE
FALSE
⇒ If operator 'a' = 1 ∠120° then (1 + a) =
-a
-a^{2}
a
-1
⇒ For a type 1 system and unit parabolic input, the steady state error is
0
∞
1
1/K_{v}
⇒ As regards single phase dual converter
the change in operation from one quadrant to the other is faster in non-circulating current mode
the change in operation from one quadrant to the other is faster in circulating current mode
the time response to change in operation from one quadrant to other is the same in both the modes
the time response to change in operation from one quadrant to the other may be faster in any of the two modes
⇒ Neper is
larger than a decibel
smaller than decibel
equal to 1 decibel
none of the above
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Firm ware | 1. | Converts program in high level language to machine language |
B. | Compiler | 2. | Converts assembly language program into machine language |
C. | Assembler | 3. | Software embedded in hardware |
D. | Virtual addressing | 4. | Grouping information between various memories |
A-1, B-2, C-3, D-4
A-2, B-3, C-4, D-1
A-3, B-4, C-1, D-2
A-3, B-1, C-2, D-4