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Q1. | For a second order system the damping factor is varied from 0 to 1. The locus of poles is |

A. | a straight line on imaginary axis [Wrong Answer] |

B. | a straight line on real axis [Wrong Answer] |

C. | a semi circle [Correct Answer] |

D. | a circle [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ As comparated to an ordinary

*p*-

*n*diode, the extent of impurity atoms in a tunnel diode

is more

is less

may be more or less

is almost the same

⇒ For the truth table of the given figure

A + B + C

A + BC

A

B

⇒ Figure represen

LED

Varistor

SCR

Diac

⇒ Which of the following values represents the open loop gain of typical op-amp?

100

10000

100000

1000000

⇒ Square law modulators utilise

linear range of V-I characteristics of a diode

linear range of V-I characteristics of a triode

non-linear region of V-I dynamic characteristics of a diode

non-linear region of V-I dynamic characteristics of a triode

⇒ Calculate the stability factor and change in I

_{C}from 25°C to 100°C for, β = 50, R

_{B}/ R

_{E}= 250, ΔI

_{C0}= 19.9 nA for emitter bias configuration.

42.53, 0.85 μA

40.91, 0.58 μA

40.91, 0.58 μA

41.10, 0.39 μA

⇒ Figure uses 10 V zener diode. The minimum and maximum current through series resistance

10 mA and 30 mA

20 mA and 40 mA

0 and 30 mA

0 and 40 mA

⇒ A 14 pin AND gate IC has __________ AND gates.

8

6

4

2

⇒ The width of a radio beam from a 1 m diameter parabolic antenna at 10 GHz is about

100°

50°

5°

1°

⇒

*e*

^{-2t}is __________ .

energy signal

power signal

neither energy signal nor power signal

both energy and power signal

⇒ A reactance function

has a pole at origin

has a zero at origin

may have a pole or zero at origin

has a pole or zero at origin and a pole or zero at infinity

⇒ In a 100 turn coil, if the flux through each turn is (

*t*

^{3}- 2

*t*)

*m*W

_{b}, the magnitude of the induced emf in the coil at a time of 4 sec is

46 mV

56 mV

4.6 V

5.6 V

⇒ Junction temperature is always the same as room temperature.

TRUE

FALSE

⇒ In a discharging R-L circuit voltage across the resistor exhibits

a linear rise

a linear decay

an exponential growth function

an exponential decay function

⇒ An ideal voltage source can not be converted into an equivalent current source.

TRUE

FALSE

⇒ For a rectangular waveguide (

*a*x

*b*,

*a*>

*b*) to support only the TE

_{10}mode at wavelength which one of the following pairs of in equalities is to be satisfied?

*b*< λ < 2

*b*; λ > 2

*a*

*b*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ > 2

*a*

⇒ A periodic voltage has following values for equal time intervals changing suddenly from one value to next : 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, - 5, - 10

31

*v*

32

*v*

insufficient data

none of these

⇒ In spread spectrum technique

a modulated signal is modulated again

a modulated signal is modulated twice again

the power of a modulated signal is increased

the noise component of a modulated signal is decreased

⇒ The thermionic emission current is given by

Fermi-Dirac distribution

Maxwell's equation

Richardson Dushman equation

Langmuir Child law

⇒ Which of the following capabilities are available in a Universal Shift Register?

- Shift left
- Shift right
- Parallel load
- Serial add

2 and 4 only

1, 2 and 3

1, 2 and 4

1, 3 and 4

⇒ A seven bit (even parity) code 0010001 may have error. The correct code is

10001

1110001

11001

1111110

⇒ A linear displacement digital transducer generally uses

straight binary code

BCD

gray code

hexadecimal code

⇒ The stack is a specialized temporary __________ access memory during __________ and __________ instructi

random, store, load

random, push, load

sequential, store, pop

sequential, push, pop

⇒ A voltmeter using thermocouples measures

rms value

peak value

average value

peak to peak value

⇒ The equivalent form of the logical expression ABC + A BC + ABC + ABC + AB C is

C + (A ⊕ B)

(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

⇒ In the circuit of figure, Thevenin's resistance is 10 &

25 Ω

10 Ω

13.33 Ω

6 Ω

⇒ Which of the following is not a valid logical expression in Pascal?

A > = B

A < = B

A = < B

A < > B

⇒

Match the following:

List I (Diode Rectifier) | List II (Efficiency is R_{f}/R_{L} = 0.25) | ||
---|---|---|---|

A. | Half wave | 1. | 0.54 |

B. | Bridge Rectifier | 2. | 0.65 |

C. | Full wave using tapped centre transformer | 3. | 0.325 |

A-1, B-2, C-3

A-2, B-1, C-3

A-3, B-2, C-1

A-3, B-1, C-2

⇒ The following table gives some time functions and the Laplace transf

2 and 4

1 and 4

3 and 4

1 and 2

⇒ Flash ADC is

serial ADC

parallel ADC

series-parallel ADC

successive approximation ADC