Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

*K*> 1, (C)

*K*< 2, (D)

*K*> 2, (E) , Leave your comments or Download question paper. '/> K < 1, (B)

*K*> 1, (C)

*K*< 2, (D)

*K*> 2, (E) , Leave your comments or Download question paper. '/>Previous questionNext question

Q1. | Value of 'K' for the system for which the system is stab |

A. | K < 1 [Wrong Answer] |

B. | K > 1 [Wrong Answer] |

C. | K < 2 [Correct Answer] |

D. | K > 2 [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 :**

⇒

**Assertion (A):** The propagation delay in ECL is minimum

**Reason (R):** Transistors used in ECL switch between active and cutoff regions.

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

⇒ The Hilbert transform of cos ω

_{1}

*t*+ sin ω

_{2}

*t*is

sin ω

_{1}

*t*+ cos ω

_{2}

*t*

sin ω

_{1}

*t*- cos ω

_{2}

*t*

cos ω

_{1}

*t*- cos ω

_{2}

*t*

sin ω

_{1}

*t*+ sin ω

_{2}

*t*

⇒ In the given figure forward current wave has a magnitud

0.45 A

0.3 A

0.2 A

0.1 A

⇒ In Class C operation the collector current looks like

full sine wave

half sine wave

narrow pulses

nearly half sine wave

⇒ In VHS format width of audio track is

5 mm

2 mm

1 mm

0.1 mm

⇒ For operation of enhancement only N-channel MOSFET, value of gate voltage has to be

zero

low positive

high negative

high positive

⇒ In the given figure forward voltage wave has a magni

90 V

60 V

30 V

10 V

⇒ Without a spectrum analyser, it is not possible to determine

carrier frequency

antenna pattern

pulse width

spurious signal strength and its location

⇒ Which of the following is true?

A silicon wafer heavily doped boron is a p

^{+}substrate

A silicon wafer lightly doped boron is a p

^{+}substrate

A silicon wafer heavily doped arsenic is a p

^{+}substrate

A silicon wafer lightly doped arsenic is a p

^{+}substrate

⇒ The minimum energy of a photon required for intrinsic excitation is equal to

energy of bottom of conduction band

energy of top of valence band

forbidden gap energy

Fermi energy

⇒ If

*x*= 0.1396 radians, the values of 1 - cos

*x*and 2 sin

^{2}(x / 2) using floating point arithmetic with a 4 digit mantissa are respectively

.1000 E - 1 each

.9727 E - 2 each

.1000 E - 1 and .9727 E - 2 respectively

.9727 E - 2 and .1000 E - 1 respectively

⇒ 100101

_{2}is equal to decimal number

47

37

21

17

⇒ What kind of signal does the times produce?

Single pulse

Square wave

Continuous pulse

No signal

⇒ In high frequency region, an amplifier behaves like a

band pass filter

low pass filter

high pass filter

any of the above

⇒ Two numbers are 131 ± 5 and 629 ± 3. The sum of the numbers with range of doubt is

760 ± 8

760 ± 2

760 + 8

760 - 8

⇒ In a P-N-P transistor, with normal bias

the collector junction has negligible resistance

only holes cross the collector junction

the collector-base junction is reverse biased and the emitter base junction is forward biased

only majority carriers cross the collector junction

⇒ A diode detector load consists of 0.01 μF capacitor in parallel with a 5 k ohms resistor. The maximum depth of modulation without diagonal clipping at modulating frequency of 1000 Hz and 10 kHz is

0.76, 0.24

0.95, 0.3

0.24, 076

0.3, 0.95

⇒ Evaluate the value of 2 [

*u*(

*t*- 1) -

*u*(1 - 2

*t*)] (

*u*(

*t*+ 1) +

*u*(

*t*)) at

*t*= 3 sec.

0

4

∞

1

⇒ In case of a transistor amplifier the emitter resistance R

_{e}is removed

the gain of the amplifier will reduce

heat sink will not be required

Q-point will become unstable

base to emitter function will be less forward biased

⇒ The Boolean function realized by the logic circuit show

F = Σ

*m*(0, 1, 3, 5, 9, 10, 14)

F = Σ

*m*(2, 3, 5, 7, 8, 12, 13)

F = Σ

*m*(1, 2, 4, 5, 11, 14, 15)

F = Σ

*m*(2, 3, 5, 7, 8, 9, 12)

⇒

Match the following:

List I (Comm.services) | List II (Bandwidth) | ||
---|---|---|---|

A. | AM broadcast | 1. | 10 kHz |

B. | Telephone | 2. | 4 kHz |

C. | wide-band FM | 3. | 200 kHz |

D. | TV | 4. | 7 MHz |

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

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

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

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

⇒ An encoder converts decimal numbers to binary and other codes.

TRUE

FALSE

⇒ For most metals, Fermi level E

_{F}is less than

0.1 eV

2 eV

5 eV

10 eV

⇒ FM broadcast lies in which band?

HF

SHF

UHF

VHF

⇒ The precision of an instrument indicates its ability to reproduce a certain reading with a given

drift

resolutions

shift

consistency

⇒

Match the following:

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

A. | Darlington amplifier | 1. | A circuit using pnp and npn transistors |

B. | CB amplifier | 2. | A CS amplifier driving a CG amplifier |

C. | Cascade amplifier | 3. | A circuit with over-all voltage gain close to 1 and very large input impedance |

D. | Complementary symmetry amplifier | 4. | A circuit with low input impedance |

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

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

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

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

⇒ Consider the following statements: The radar pulse must be flat topped to

- allow accurate range measurement
- allow good minimum range
- prevent frequency changes in magnetron
- make the returned echoes easier to distinguish from noise.

1, 2, 3, 4

1, 2, 3

1, 2

1, 3, 4

⇒ State space analysis is applicable to

time invariant systems

time varying systems

both time invariant and time varying systems

none of the above

⇒ In an R-L-C series circuit, R = 2/L/C . If R is doubled

the response will become underdamped

the response will become overdamped

the response will be critically damped

the response may be under damped or overdamped

⇒ Antenna efficiency of antenna is, if radiation resistance is 370 Ω and loss resistance is 100 Ω

0.8

0.87

0.78

0.2127