Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
The secondary constants of a line are | |
A. | Z_{0} [Wrong Answer] |
B. | Z_{0} and γ [Correct Answer] |
C. | Z_{0}, γ and wave velocity [Wrong Answer] |
D. | Z_{0}, γ and L [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 :
⇒
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
⇒ What are the counting stages (Q_{1}, Q_{2}) for the counter shown in the figure be
11, 10, 00, 11, 10, ...
01, 10, 11, 00, 10, ...
00, 11, 01, 10, 00, ...
01, 10, 00, 01, 10, ...
⇒ In a series L-C circuit fed by ac voltage, voltage drops across L and C are 40 V and 30 V respectively. The supply voltage is
70 V
10 V
50 V
1.333 V
⇒
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 true, R is false
A is false, R is true
⇒ An RF carrier of 12 kV at 1 MHz is amplitude modulated by 1 kHz signal having peak value of 6 kV. The modulation pattern is seen on CRO screen. The voltage indicated will be
18 kV
1.001 kV
6 kV
36 kV
⇒ In the above case, what will be the value of capacitor to obtain 100 kHz frequency?
0.0065 pF
0.0130 pF
0.0260 pF
0.520 pF
⇒ The circuit in the given figur
positive logic OR gate
negative logic OR gate
negative logic AND gate
positive logic AND gate
⇒ The sensitivity of a potentiometer can be increased by
increasing the length of wire
decreasing the length of wire
increasing the current in the wire
decreasing the current in the wire
⇒ In a pure sample of silicon
the number of holes and free electrons is always equal
the number of free electrons is more than the number of holes
the number of free electrons and holes is equal at low temperature
the number of free electrons is less than number of holes
⇒ If operator 'a' = 1 ∠120° then (1 + a + a^{2}) =
-a
-a^{2}
1
0
⇒ At high frequencies the output circuit of transistor amplifier reduces to
a lead network
a lag network
either (a) or (b)
neither (a) nor (b)
⇒ The minimum permissible size of aluminium cable for lighting circuit is
1.2 sq. mm
1.5 sq. mm
2.2 sq. mm
3.5 sq. mm
⇒ If ω is the frequency of modulating voltage in FM, the modulation index is proportional to
ω
1/ω
ω
1/ω
⇒ In the 2's complement Adder-Subtractor
sign magnitude numbers represent negative numbers
the sign magnitude numbers have "1" as leading bit
the sign magnitude numbers have '0' as leading bit
2's complement represents positive numbers
⇒ Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be
0.08
0.04
0.001
0.0001
⇒ The number of valence electrons in germanium atom is
4
2
1
zero
⇒ The V_{s} is give
8 V
13 V
1 V
4 V
⇒ An electron when placed midway between two equal and opposite charges will
remain stationary
oscillate between the charges
be thrown out of the field
spin in the field
⇒ Which display device resembles vacuum tube?
LED
LCD
VF
None of these
⇒ In a metal, the drift velocity of electrons in the presence of a electric field E is
proportional to E
proportional to E
inversely proportional to E
proportional to E^{2}
⇒ If k denotes Boltzmann's constant, the rms value of thermal noise voltage is proportional to
k^{2}
k
k
(k)^{1/3}
⇒
2 bits
4 bits
8 bits
16 bits
⇒ A multivibrator can be used as a
cavity resonator
harmonic generator
wave form modifier
any of the above
⇒ A resistance is measured by voltmeter-ammeter method. The voltmeter is 0-250V, ± 1% accuracy and ammeter is 0-5 A, ± 1 % accuracy. The readings of voltmeter and ammeter are 100 V and 2 A respectively. The error in the measured resistance can be
± 1%
± 2%
± 5%
± 10%
⇒ Which of the following measurements can be done using a counter?
1 and 2
2 and 3
1 and 4
2 and 4
⇒ Dielectric constant of transformer oil is about
1
4
10
20
⇒ Which one of the following circuits is used for converting a sine wave into a square wave?
Astable multivibration
Monostable multivibration
Bistable multivibration
Schmitt trigger
⇒ For a second order system with 0 < ξ < 1, the angle which poles make with negative real axis is
sin^{-1} ξ
cos^{-1} ξ
tan^{-1} ξ
cot^{-1} ξ
⇒ To couple a coaxial line to a parallel to wire line it is best to use a
slotted line
balun
directional coupler
quarter wave transformer
⇒ Binary number 11001 is equivalent to decimal number
35
15
105
25
⇒
Assertion (A): Transformer coupling has the disadvantage of the weight of transformer and Saturation of core
Reason (R): Transformer coupling is very suitable for impedance matching
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
⇒ What are the counting stages (Q_{1}, Q_{2}) for the counter shown in the figure be
11, 10, 00, 11, 10, ...
01, 10, 11, 00, 10, ...
00, 11, 01, 10, 00, ...
01, 10, 00, 01, 10, ...
⇒ In a series L-C circuit fed by ac voltage, voltage drops across L and C are 40 V and 30 V respectively. The supply voltage is
70 V
10 V
50 V
1.333 V
⇒
Assertion (A): The conditions under which it is possible to write Fourier series of a periodic function are called Drichlet conditions.
Reason (R): If f(t) = - f(- t), it is refereed to as odd symmetry.
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 true, R is false
A is false, R is true
⇒ An RF carrier of 12 kV at 1 MHz is amplitude modulated by 1 kHz signal having peak value of 6 kV. The modulation pattern is seen on CRO screen. The voltage indicated will be
18 kV
1.001 kV
6 kV
36 kV
⇒ In the above case, what will be the value of capacitor to obtain 100 kHz frequency?
0.0065 pF
0.0130 pF
0.0260 pF
0.520 pF
⇒ The circuit in the given figur
positive logic OR gate
negative logic OR gate
negative logic AND gate
positive logic AND gate
⇒ The sensitivity of a potentiometer can be increased by
increasing the length of wire
decreasing the length of wire
increasing the current in the wire
decreasing the current in the wire
⇒ In a pure sample of silicon
the number of holes and free electrons is always equal
the number of free electrons is more than the number of holes
the number of free electrons and holes is equal at low temperature
the number of free electrons is less than number of holes
⇒ If operator 'a' = 1 ∠120° then (1 + a + a^{2}) =
-a
-a^{2}
1
0
⇒ At high frequencies the output circuit of transistor amplifier reduces to
a lead network
a lag network
either (a) or (b)
neither (a) nor (b)
⇒ The minimum permissible size of aluminium cable for lighting circuit is
1.2 sq. mm
1.5 sq. mm
2.2 sq. mm
3.5 sq. mm
⇒ If ω is the frequency of modulating voltage in FM, the modulation index is proportional to
ω
1/ω
ω
1/ω
⇒ In the 2's complement Adder-Subtractor
sign magnitude numbers represent negative numbers
the sign magnitude numbers have "1" as leading bit
the sign magnitude numbers have '0' as leading bit
2's complement represents positive numbers
⇒ Two materials having temperature coefficients of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is likely to be
0.08
0.04
0.001
0.0001
⇒ The number of valence electrons in germanium atom is
4
2
1
zero
⇒ The V_{s} is give
8 V
13 V
1 V
4 V
⇒ An electron when placed midway between two equal and opposite charges will
remain stationary
oscillate between the charges
be thrown out of the field
spin in the field
⇒ Which display device resembles vacuum tube?
LED
LCD
VF
None of these
⇒ In a metal, the drift velocity of electrons in the presence of a electric field E is
proportional to E
proportional to E
inversely proportional to E
proportional to E^{2}
⇒ If k denotes Boltzmann's constant, the rms value of thermal noise voltage is proportional to
k^{2}
k
k
(k)^{1/3}
⇒
ALU 1C 74181
can accept two words each having2 bits
4 bits
8 bits
16 bits
⇒ A multivibrator can be used as a
cavity resonator
harmonic generator
wave form modifier
any of the above
⇒ A resistance is measured by voltmeter-ammeter method. The voltmeter is 0-250V, ± 1% accuracy and ammeter is 0-5 A, ± 1 % accuracy. The readings of voltmeter and ammeter are 100 V and 2 A respectively. The error in the measured resistance can be
± 1%
± 2%
± 5%
± 10%
⇒ Which of the following measurements can be done using a counter?
- Pulse duration
- Interval between two pulses
- Amplitude of the pulse
- Rise time of a pulse
1 and 2
2 and 3
1 and 4
2 and 4
⇒ Dielectric constant of transformer oil is about
1
4
10
20
⇒ Which one of the following circuits is used for converting a sine wave into a square wave?
Astable multivibration
Monostable multivibration
Bistable multivibration
Schmitt trigger
⇒ For a second order system with 0 < ξ < 1, the angle which poles make with negative real axis is
sin^{-1} ξ
cos^{-1} ξ
tan^{-1} ξ
cot^{-1} ξ
⇒ To couple a coaxial line to a parallel to wire line it is best to use a
slotted line
balun
directional coupler
quarter wave transformer
⇒ Binary number 11001 is equivalent to decimal number
35
15
105
25