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Q1. | For type 1 system the velocity lag error is |

A. | inversely proportional to bandwidth of system [Wrong Answer] |

B. | directly proportional to gain constant [Wrong Answer] |

C. | inversely proportional to gain constant [Correct Answer] |

D. | independent of gain constant [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 :**

⇒ Public address systems generally use electret microphones.

TRUE

FALSE

⇒ A TTL circuit with totem pole output has

high output impedance

low output impedance

very high output impedance

none of the above

⇒ In figure, I = 2A, then

5 V

3 V

2 V

1 V

⇒ The static characteristic of an adequately forward biased

*p*-

*n*junction is a straight line if the plot is of

log I vs log V

log I vs V

I vs log V

I vs V

⇒ A transistor with a = 0.9 and I

_{CBO}= 10 μA is biased so that I

_{BQ}= 90 μA. Then I

_{EQ}will be

5.15 mA

5.2 mA

5 mA

990 mA

⇒ Typical values of current gains for CE, CB and CC amplifiers are

120, 120 and 1 respectively

120, 1 and 120 respectively

1, 120 and 120 respectively

1, 1 and 120 respectively

⇒ In figure, the steady state current through 1H inductanc

Zero

0.125

0.208333333333333

0.25

⇒ In a resistive ac circuit, the current __________ the voltage by __________ .

lags, 90°

lags, 45°

lags, 0°

leads 90°

⇒ For a semiconductor, the conductivity is a function of the products of the number of charge carriers and their mobilites. As result, if the temperature of a slab of intrinsic silicon increases, how does its conductivity vary?

Decreases

Increases

Remains unaffected

Increases or decreases depending upon the rise in temperature

⇒ What will be the maximum conversion time in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

108 sec

63 μ sec

40 sec

80 μ sec

⇒ Capacitive transducer is superior to inductive type for measurement of capacitance because of

absence of non-linearity

high frequency response

small size

high accuracy

⇒ The emitter resistor R

_{E}in the emitter of CE amplifier stabilizes the dc operating point against variation in

temperature only

β of transistor

both temperature and β

none of the above

⇒ Fermi level in intrinsic semiconductor is at the centre of forbidden energy band.

TRUE

FALSE

⇒ In anti-ferromagnetic materials, the graph of susceptibility versus temperature shows a sharp maximum at a certain temperature. This temperature is known as

Curie temperature

Neel temperature

Weiss temperature

Bitter temperature

⇒ Which of the following are included in the architecture of computer?

- Addressing mode, design of CPU
- Instruction set, data format
- Secondary memory, operating system

1 and 2

2 and 3

1 and 3

1, 2 and 3

⇒ The impurity added to extrinsic semiconductor is of the order of

1 in 100

1 in 1000

1 in 100, 0000

1 in 100, 000, 000

⇒ The dead zone in a pyrometer is 0.125% of span. The calibration is 400°C to 1000°C. What temperature change might occur before it is detected.

0.125°C

0.75°C

0.4°C

1°C

⇒ For TE or TM modes of propagation in bounded media, the phase velocity is

independent of frequency

is a linear function of frequency

is a non-linear function of frequency

can be frequency dependent or frequency independent on the source

⇒ Pulse stuffing is used in

synchronous TDM

asynchronous TDM

Any TDM

All

⇒ The output of a linear system for any input can be computed in which of the following ways?

Only by summation of inpulse response by convolution integral

Only by summation of step response by superposition integral

Neither a nor b

Either (a) or (b)

⇒

Match the following:

Microwave Measuring Instruments | Measurements Effected | ||
---|---|---|---|

A. | Bolometer | 1. | Reflection coefficients |

B. | VSWR meter | 2. | Half power beam widths |

C. | Cavity wave meter | 3. | Microwave power |

D. | Pattern recorder | 4. | Microwave frequency |

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

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

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

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

⇒ The dynamic equalising circuit consists of a series combination of capacitor C and resistor R

_{C}across each thyristor. This resistance R

_{C}(along with parallel connected diode)

limits charging current

limits discharging current

limits both charging and discharging currents

none of the above

⇒ Compact discs use

magnetic recording and retrieval

optical recording and retrieval

optical recording but magnetic retrieval

magnetic recording but optical retrieval

⇒ In 8085 microprocessor, what is the memory word addressing capability?

32 K

64 K

256 K

512 K

⇒ Consider the following statements in amplitude modulation

- The harmonic and intermodulation distortion may occur in audio and RF amplifiers
- The sum and difference frequencies are present in the output of mixer
- The diode detector has audio frequencies in its output
- A balanced modulator cannot produce an AM with suppressed carrier

1, 2, 3, 4

1, 2, 3

1, 2

3, 4

⇒ The number of accumulators in 6800 are

2

3

1

4

⇒ A transmitter power of 5 W is increased by 20 dB. The effective radiated power is

5 W

100 W

25 W

500 W

⇒ Which type of modulator amplifier is used in AM transmitter?

Class A

Class B

Classes AB

Class C with negative feedback

⇒ The energy of highest value of Autocorrelation of a function 100 cos 50 p

*t*is

50

10

200

zero

⇒

Match the following:

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

A. | R_{T} | 1. | A = D |

B. | R_{h} | 2. | h_{12} = h_{21} |

C. | S_{T} | 3. | AD - BC = 1 |

D. | S_{h} | 4. | h_{21} = - h_{21} |

5. | B = C | ||

6. | Δh = 1 |

A-3, B-4, C-1, D-6

A-3, B-2, C-5, D-4

A-5, B-4, C-1, D-2

A-5, B-4, C-1, D-6