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Consider the following statements about root locus
| |
A. | 1, 2 and 3 [Wrong Answer] |
B. | 1 and 2 only [Correct Answer] |
C. | 1 only [Wrong Answer] |
D. | 2 and 3 only [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 :
⇒ If x_{k} = 2^{k} for k ≤ 0 and = 0 for k > 0 X(z) = 2/(2 - z).
TRUE
FALSE
⇒ If E_{b} is the potential of accelerating anode, the energy of electrons as they emerge from electron gun is proportional to
E_{b}
E_{b}
E_{b}^{1.5}
E_{b}^{2}
⇒
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
⇒ Average latency time of magnetic tape memory is of the order of
1 μ sec
1 msec
1 sec
1 minute
⇒ One ampere means the flow of
One coulomb each minute
One electron per second
One coulomb per second
One coulomb each hour
⇒ If the variance σ_{x}^{2} of d(n) = x(n) - x(n - 1) is one-tenth the variance σ_{x}^{2} of a stationary zero mean discrete time signal x(n), then the normalized autocorrelation function R_{xx}(x)/σ_{x}^{2} at k = 1 is
0.95
0.9
0.1
0.05
⇒ When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant. The modulation system is
FM
AM
phase modulation
none of the above
⇒ The time constant of the circuit after the switch shown in the figure is opene
0.2 s
5 s
0.1 s
dependent on R and hence cannot be determined unless R is known
⇒ When a coil consisting of single turn rotates at a uniform speed in a magnetic field, the induced e.m.f. is
changing
reversing
steady
alternating
⇒ Analysis of EM wave in waveguide based on
circuit theory
field theory
optical theory
both (a) and (b)
⇒ The unit of magnetic flux density is
farad/metre
ohm/metre
tesla
ampere/metre
⇒ Which of the following analog modulation scheme requires the minimum transmitted power and minimum channel bandwidth?
VSB
DSB-SC
SSB
AM
⇒
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
⇒ Light dependent resistors are
highly doped semiconductor
intrinsic semiconductor
lightly doped semiconductor
either (a) or (c)
⇒ Which of the following statement is incorrect?
Z_{0} is an ac characteristic that is the same for any length of time
The characteristic impedance can be measured approximately with a sensitive ohm meter
A line terminated in its Z_{0} is a flat or non-resonant line
A twin lead has higher Z_{0} but lower losses than coaxial cable
⇒
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 gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ With on-chip decoding, n address lines can access
2n memory locations
2n^{2} memory locations
2^{n} memory locations
n^{2} memory location
⇒ In figure, the steady state current through 1H inductanc
Zero
0.125
0.208333333333333
0.25
⇒ In the periodic train of rectangular pulses F_{0} = (V_{0}/T)d
TRUE
FALSE
⇒ If the intrinsic resistivity at 300°K is 0.37 ohm-m and the electron and hole mobilities at 300°K are 0.28 and 0.15 m^{2}/volt-sec, then the intrinsic carrier concentration of Germanium is __________ .
2.92 x 10^{19}/m^{3}
2.92 x 10^{-19}/m^{3}
1.92 x 10^{19}/m^{3}
3.92 x 10^{19}/m^{3}
⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10^{-13} m from each other. Charge on a particle is 3.2 x 10^{-19} C. (relative permittivity for mica is 5)
1.843 x 10^{-15} N
9.2 x 10^{-2} N
14.41 x 10^{-9} N
none of these
⇒ Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.
XYZ
X Y Z
X YZ + XY Z
XY + YZ + ZX
⇒ If the peak transmitted power in a radar is increased by a factor 81, the maximum range is increased by a factor of
3
9
27
81
⇒ The 8085 instruction LDA FFA is an example of
Direct addressing
Register addressing
Immediate addressing
Register indirect addressing
⇒ The number of comparator circuits required to build a three-bit simultaneous A/D converter is
7
8
15
16
⇒ The impedance of an RC series circuit is 12 Ω at f= 50 Hz. At f= 200 Hz, the impedance will be
more than 12
less than 3
more than 3 Ω but less than 12 Ω
more than 12 Ω but less than 24 Ω
⇒ An RLC series circuit has R = 30 Ω, X_{L} = 30 Ω and X_{C} = 30 W. Its impedance is
30 ∠0°.
30 ∠45°
42.42 ∠45°
90 ∠45°.
⇒ Binary storage of decimal number 44 in 8 bits is
101100
10101100
10101101
101101
⇒ Consider the following statement : If a network has an impedance of (1 - j) as a specific frequency, the circuit would consist of series
1 and 2
1 and 3
1, 2 and 3
2 and 3
⇒ If x_{k} = 2^{k} for k ≤ 0 and = 0 for k > 0 X(z) = 2/(2 - z).
TRUE
FALSE
⇒ If E_{b} is the potential of accelerating anode, the energy of electrons as they emerge from electron gun is proportional to
E_{b}
E_{b}
E_{b}^{1.5}
E_{b}^{2}
⇒
Assertion (A): R-2R ladder type DAC has higher speed of operation than weighted resistor DAC
Reason (R): R-2R ladder type DAC uses only two different values of resistor network uses many different values of resistors
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
⇒ Average latency time of magnetic tape memory is of the order of
1 μ sec
1 msec
1 sec
1 minute
⇒ One ampere means the flow of
One coulomb each minute
One electron per second
One coulomb per second
One coulomb each hour
⇒ If the variance σ_{x}^{2} of d(n) = x(n) - x(n - 1) is one-tenth the variance σ_{x}^{2} of a stationary zero mean discrete time signal x(n), then the normalized autocorrelation function R_{xx}(x)/σ_{x}^{2} at k = 1 is
0.95
0.9
0.1
0.05
⇒ When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant. The modulation system is
FM
AM
phase modulation
none of the above
⇒ The time constant of the circuit after the switch shown in the figure is opene
0.2 s
5 s
0.1 s
dependent on R and hence cannot be determined unless R is known
⇒ When a coil consisting of single turn rotates at a uniform speed in a magnetic field, the induced e.m.f. is
changing
reversing
steady
alternating
⇒ Analysis of EM wave in waveguide based on
circuit theory
field theory
optical theory
both (a) and (b)
⇒ The unit of magnetic flux density is
farad/metre
ohm/metre
tesla
ampere/metre
⇒ Which of the following analog modulation scheme requires the minimum transmitted power and minimum channel bandwidth?
VSB
DSB-SC
SSB
AM
⇒
Assertion (A): When the performance of a stable second order system is improved by a PID controller, the system may become unstable.
Reason (R): PID controller increases the order of the system to 3.
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
⇒ Light dependent resistors are
highly doped semiconductor
intrinsic semiconductor
lightly doped semiconductor
either (a) or (c)
⇒ Which of the following statement is incorrect?
Z_{0} is an ac characteristic that is the same for any length of time
The characteristic impedance can be measured approximately with a sensitive ohm meter
A line terminated in its Z_{0} is a flat or non-resonant line
A twin lead has higher Z_{0} but lower losses than coaxial cable
⇒
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
⇒ A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ With on-chip decoding, n address lines can access
2n memory locations
2n^{2} memory locations
2^{n} memory locations
n^{2} memory location
⇒ In figure, the steady state current through 1H inductanc
Zero
0.125
0.208333333333333
0.25
⇒ In the periodic train of rectangular pulses F_{0} = (V_{0}/T)d
TRUE
FALSE
⇒ If the intrinsic resistivity at 300°K is 0.37 ohm-m and the electron and hole mobilities at 300°K are 0.28 and 0.15 m^{2}/volt-sec, then the intrinsic carrier concentration of Germanium is __________ .
2.92 x 10^{19}/m^{3}
2.92 x 10^{-19}/m^{3}
1.92 x 10^{19}/m^{3}
3.92 x 10^{19}/m^{3}
⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10^{-13} m from each other. Charge on a particle is 3.2 x 10^{-19} C. (relative permittivity for mica is 5)
1.843 x 10^{-15} N
9.2 x 10^{-2} N
14.41 x 10^{-9} N
none of these
⇒ Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.
XYZ
X Y Z
X YZ + XY Z
XY + YZ + ZX
⇒ If the peak transmitted power in a radar is increased by a factor 81, the maximum range is increased by a factor of
3
9
27
81
⇒ The 8085 instruction LDA FFA is an example of
Direct addressing
Register addressing
Immediate addressing
Register indirect addressing
⇒ The number of comparator circuits required to build a three-bit simultaneous A/D converter is
7
8
15
16
⇒ The impedance of an RC series circuit is 12 Ω at f= 50 Hz. At f= 200 Hz, the impedance will be
more than 12
less than 3
more than 3 Ω but less than 12 Ω
more than 12 Ω but less than 24 Ω
⇒ An RLC series circuit has R = 30 Ω, X_{L} = 30 Ω and X_{C} = 30 W. Its impedance is
30 ∠0°.
30 ∠45°
42.42 ∠45°
90 ∠45°.
⇒ Binary storage of decimal number 44 in 8 bits is
101100
10101100
10101101
101101
⇒ Consider the following statement : If a network has an impedance of (1 - j) as a specific frequency, the circuit would consist of series
- R and C
- R and L
- R, L and C
1 and 2
1 and 3
1, 2 and 3
2 and 3