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Q1. | A conditionally stable system has |

A. | one phase crossover frequency [Wrong Answer] |

B. | two phase crossover frequencies [Wrong Answer] |

C. | two or more phase crossover frequencies [Correct Answer] |

D. | one or more phase crossover frequencies [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 :**

⇒ The density of the dynamic RAM is

more than that of static RAM

less than that of static RAM

equal to that to static RAM

equal to or more than that of static RAM

⇒ If a function

*f*(

*t*) is an odd, function, its Fourier series

contains only sine terms

contains only cosine terms

contains a constant and sine terms

contains a constant and cosine

⇒ An

*m*derived low pass filter has

*f*

_{c}= 1000 Hz and

*m*= 0.6. This filter will have infinite attenuation at

*f*= 1250 Hz

all frequencies above 1000 Hz

*f*= 1562.5 Hz

*f*= 1666.67 Hz

⇒ Consider the following statements

- A 33 MHz 486 has higher MIPS than 33 MHz 386.
- A 33 MHz 486 has higher MFLOPS than 33 MHz 386 of these statements.

Both are true

Both are false

1 is true and 2 is false

1 is false and 2 is true

⇒ When an atom of polarizability a is placed in an electric field E, the energy stored in atom is 0.5 a E

^{2}.

TRUE

FALSE

⇒ A bridge rectifier circuit has a dc load current of 10 mA and a filter capacitance of 1000 μF. The peak to peak ripple voltage is

0.01 V

0.05 V

0.1 V

0.5 V

⇒ In figure I

_{D}= 4 mA. Then V

_{S20 V4.4 V0.4 V0.44 V}

⇒

**Assertion (A):** A video monitor does not need RF tuner and IF amplifier

**Reason (R):** The picture tube in TV is basically a CRT.

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

A is wrong but R is correct

⇒ Which chopper circuit operates in all the 4 quadrants?

A

C

D

E

⇒ In following figure find V

_{GG}by assuming gate current is negligible for the

*p*-channel JFET. (if I

_{DQ}= - 6 mA, R

_{S}= 0, V

_{DD}= -18 V, R

_{D}= 2 kΩ, I

_{DSS}= - 10 mA, I

_{PO}= - 3 V)

0.67 V

6.7 V

7 V

0.3 V

⇒

Match the following:

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

A. | PMMC | 1. | Square law type scale |

B. | Moving iron | 2. | Very good response |

C. | Thermo-couple | 3. | Linear scale |

D. | Electrostatic | 4. | Voltmeter |

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

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

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

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

⇒ A TV receiver is 40 cm wide and 30 cm high. The EHT supply required is about

2kV

20 kV

53 kV

10 W

⇒ Consider the following statements, regarding an OP AMP:

- All types of negative feedback reduce non-linear distortion.
- All types of negative feedback reduce the output offset voltage.
- Non-inverting (current and voltage) feedback increases the input impedance.
- Inverting (current and voltage) feedback decreases input impedance.

1 only

2 and 3 only

2 and 4 only

1, 2, 3 and 4

⇒

Match the following:

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

A. | CTFS | 1. | Periodic |

B. | DTFS | 2. | Non-periodic |

C. | CTFT | ||

D. | DTFT |

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

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

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

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

⇒ Identification of highest priority interrupt can be achieved in a minimum time by which of the following schemes?

Hardwired polling

Priority encode circuit

Software polling

Subdivision of interrupt register into a number of sub registers which are checked parallely

⇒ In the circuit shown, all the transmission line sections are lossless. The Voltage Standing Wave Ration (VSWR) on the 60W lin

1

1.64

2.5

3

⇒ The service area of a TV transmitter is a little beyond radio horizon.

TRUE

FALSE

⇒ In the graph of figure, the total number of tree

4

5

6

8

⇒ In Intel 8085, the integer range per word length is

-128 to 127

-127 and 128

-64 and 63

-63 and 64

⇒ A potential of 7 V is applied to a silicon diode. A resistance of 1 K ohm is also in series with the diode. The current is

7 mA

6.3 mA

0.7 mA

0

⇒ Consider the following program for 8085

Subtracts decimal number 5 from contents of memory

Subtracts decimal number 15 from contents of memory

Adds decimal number 15 to contents of memory

⇒ A dc separately excited motor has constant field current. The armature is fed from a single phase supply through a full converter. When a = 0, speed is 500 rpm. If a = 45°, the speed is likely to be

about 350 rpm

about 250 rpm

about 175 rpm

about 125 rpm

⇒ In an op-amp differentiator

the amplitude of output is proportional to rate of change of input

the amplitude of output is proportional to input

output occurs when input is finite and constant

polarity of input and output is the same

⇒ In cell phone antennas are

monopole

loops

helical

lens

⇒ A Darlington emitter follower circuit is some times used in the output stage of a TTL gate in order to

increase its I

_{QL}

reduce its I

_{0H}

increase its speed of operation

reduce power dissipation

⇒ The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

very low

low

high

almost zero

⇒ If there are M equally likely and independent messages and M = 2

^{N}where N is an integer, the information in each message is equal to

N bits

0.5 N bits

2 N bits

4 N bits

⇒ Magnesium is alloyed with conducting materials for antenna primarily with the purpose of

increasing efficiency

improving radiative power

reducing weight

increasing density

⇒ In the circuit shown in given figure, the values of i(0

^{+}) and I(∞), will be respecti

zero and 1.5 A

1.5 A and 3 A

3 A and zero

3 A and 1.5 A

⇒ Out of the three transforms viz. Z-transform, Laplace transform and Fourier transform

all three are used in continuous time domain

all three are used in both continuous time domain and discrete time domain

Z transform is used in continuous time domain while Laplace and Fourier transforms are used in discrete time domain

Z transform is used is discrete time domain while Laplace and Fourier transforms are used in continuous time domain