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Q1. | Complex poles give rise to oscillatory terms in the response. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ If operator '

*a*' = 1 ∠120° then (1 -

*a*) =

3

3 ∠ - 30°

3 ∠ + 30°

3 ∠60°

⇒ Which of the following expressions is true for apparent power in an A.C. circuit?

VI cos Φ

V

_{av}x I

_{av}

V

_{r.m.s}x I

_{r.m.s}

V

_{peak}x I

_{peak}

⇒ Work function of oxide coated cathode is much lower than that of tungsten cathode.

TRUE

FALSE

⇒ Symbol shown in figure represen

Enhancement only N-channel MOSFET

UJT with

*p*-type base

N-channel DMOSFET with internal protection

Phototransistor

⇒ The transfer function of a discrete time LTI system is give

Both S1 and S2 are true

Both S2 and S3 are true

Both S1 and S3 are true

S1, S2 and S3 are all true

⇒ Which group of instructions is used to change sequence of operations in a computer program?

Data transfer group

Branch group

Arithmetic group

Logic group

⇒ A NOR gate has 3 inputs A, B, C. For which combination of inputs is output HIGH

A = B = C = 0

A = B = C = 1

A = B = 1 and C = 0

A = C = 1 and B = 0

⇒

Match the following:

List I (Types of N-bit ADC) | List II (Characteristics) | ||
---|---|---|---|

A. | Flash converter | 1. | Integrating Type |

B. | Successive | 2. | Fastest converter approximation |

C. | Counter ramp | 3. | Maximum conversion time = N bits |

D. | Dual slow | 4. | Used a DAC in its feedback path |

A-2, B-3, C-4, D-1

A-1, B-3, C-4, D-2

A-2, B-4, C-3, D-1

A-1, B-4, C-3, D-2

⇒ The colour coding of a resistors shows 100 K, ± 10%. When the resistance was measured with an ohmmeter, it read

95 K

80 K

120 K

85 K

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Ternary | 1. | 0, 1, 3 |

B. | Quaternary | 2. | 0, 1, 2, 3, 4, 5, 6 7, 8, 9, A, B |

C. | Quinary | 3. | 0, 1, 2, 3, 4 |

D. | Duodecimal | 4. | 0, 1, 2 |

A-1, B-2, C-3, D-4

A-2, B-3, C-4, D-1

A-3, B-1, C-4, D-3

A-4, B-1, C-3, D-2

⇒ If the amplitude of the voltage is kept constant, but its frequency is raised to 6 kHz, the new deviation will be for the modulation index is, if

*f*= 500 Hz, Δ

_{m}*f*= 2.25

6 kHz

12 kHz

27 kHz

54 kHz

⇒ A push pull amplifier balance out

odd harmonics

even harmonics

both odd as well as even harmonics

neither odd nor even harmonics

⇒ The source of which of the following noise is different from that of the remaining?

Solar noise

Cosmic noise

Galactic noise

Atmospheric noise

⇒ The number of programmable 8 bit registers of 6800 are

2

3

4

5

⇒ The maximum power dissipation capacity of a transistor is 50 mW. If the collector emitter voltage is 10 V, what is the safe collector current that can be allowed through the transistor?

5 mA

2.5 mA

10 mA

25 mA

⇒ A good dielectric should have

low losses

good heat conductivity

high intrinsic strength

all of the above

⇒ The current through a 1 mH inductance is

*i*(

*t*) = 2.56 x 10

^{-2}- 4 x 10

^{3}

*t*for 2 ≤

*t*≤ 20 μ sec. The voltage across the inductor is

4

8

0

8 x 10

^{3}

⇒ An AND gate has two inputs A and B and one inhibit input S. Out of total 8 input states, output is 1 in

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2 states

3 states

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⇒ In the above case if another sine wave corresponding to 40% modulation is transmitted simultaneously, the total radiated power will be

9.9 kW

10.15 kW

10.84 kW

18.4 kW

⇒ A first-order system has a time constant t. For unit ramp input, the steady state error is

t

^{2}

t

t

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⇒ The materials which become polarized on the application of mechanical stress are called piezoelectric.

TRUE

FALSE

⇒ A transmitter serial current contains

carrier frequencies

audio frequencies

radio frequencies

none of the above

⇒ Cassergain feed is used with a parabolic reflector to

increase the gain of the system

increase the beamwidth of the system

reduce the size of the main reflector

allow the feed to be placed at a convenient point

⇒ If temperature is increased, the temperature coefficient of a metal

increases

decreases

may increase or decrease

remains constant

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

5.12 W

21.78 W

2.56 W

16.81 W

⇒ L/C has the dimension of

time

capacitance

inductance

resistance

⇒ Transport lag usually exists in

thermal systems

hydraulic systems and thermal systems

pneumatic systems

thermal, hydraulic and pneumatic systems

⇒ In a second order system, the time constant t of exponential envelopes depends

only on damping factor

only on natural frequency

both on damping factor and natural frequency

neither on damping factor nor on natural frequency

⇒ LVDT is used to measure

displacement

pressure

temperature

any of the above

⇒ An FM signal with a deviation is passes through the mixer, and has its frequency reduced five fold. The deviation in the output of the mixer is

Δ

5Δ

Δ/5

indeterminant