Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The effective value of the waveform in the given figur |

A. | 5 [Wrong Answer] |

B. | 2.5 [Wrong Answer] |

C. | 2.5 [Wrong Answer] |

D. | 5.0 [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒ Two function

*g*

_{1}(

*t*) and

*g*

_{2}(

*t*) with correlation of 6 has average power of 4 and 5 respectively. The power of

*g*

_{1}(

*t*) +

*g*

_{2}(

*t*) is

9

21

3

15

⇒ The use of free wheeling diode in controlled rectifier improves the waveshape of load current.

TRUE

FALSE

⇒ What is the characteristic of a good control system?

Sensitive to parameter variation

Insensitive to input command

Neither sensitive to parameter variation nor sensitive to input commands

Insensitive to parameter variation but sensitive to input commands

⇒ For the gate in the given figure the output wil

0

1

A

A

⇒ Negative feedback in amplifier

reduces gain

increases frequency and phase distortion

reduces bandwidth

increases noise

⇒ 24 telephone channels are frequency division multiplexed using an SSB modulation. Assuming 3 kHz per channel, the required band width is

8 kHz

27 kHz

21 kHz

72 kHz

⇒ Which of the following is not an application software?

MS Word

DBMS

Worksheet

Lisp

⇒ In figure, which value of Z

_{L}will cause maximum power to be transferred to the l

2 +

*j*2 Ω

2 -

*j*2 Ω

- 2 Ω

2 Ω

⇒ In terms of classical representation of electrons

an atom is essentially empty

an atom is essentially full

an atom may be essentially empty or full depending on the material

an atom may be essentially empty or full depending on temperature

⇒ An increase of reverse voltage decreases the junction capacitance.

TRUE

FALSE

⇒ BCD number 1100111 = __________

_{10}

66

67

68

69

⇒ 25 persons are in a room. 15 of them play hockey, 17 of them play football and 10 of them play both hockey and football. Then the number of persons playing neither hockey nor football is:

2

17

13

3

⇒ In the CE equivalent circuit of figure, the voltage gai

200

40

5

1000

⇒ In a forward biased

*p*-

*n*junction current enters

*p*material as hole current and leaves

*n*material as electron current of the same magnitude.

TRUE

FALSE

⇒

**Assertion (A):** For a given system only one of the static error constants is finite and significant.

**Reason (R):** If finite static error constant is large, the loop gain becomes smaller as ω approaches zero.

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

R is correct but A is wrong

⇒ When we use

`RRC`

instruction once in 8085, the number ismultiplied by 2

divided by 2

multiplied by 4

divided by 4

⇒ The number of bits in EBCDIC is

12

10

8

6

⇒ In the circuit shown, the power supplied by the voltage so

0 W

5 W

10 W

100 W

⇒

Match the following:

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

A. | lag compensation | 1. | Exterior of unit circle |z| = 1 |

B. | lead compensation | 2. | PD control |

C. | stability | 3. | Non-minimum phase |

D. | Instability | 4. | Left half s plane |

5. | PI control |

A-2, B-5, C-1, D-3

A-3, B-1, C-2, D-5

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

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

⇒ The dc output voltage from a power supply

increases with higher values of filter capacitance and decreases with more load current

decreases with higher values of filter capacitance and increases with more load current

decreases with higher values of filter capacitance as well as with more load current

increases with higher values of filter capacitance as well as with more load current

⇒ Consider two random processes

*x(t)*and

*y(t)*have zero mean, and they are individually stationary. The random process is

*z(t)*=

*x(t)*+

*y(t)*. Now when stationary processes are uncorrelated then power spectral density of

*z(t)*is given by

S

*+ S*

_{x}(f)*+ 2S*

_{y}(f)

_{xy}(f)S

*+ S*

_{x}(f)*+ 2S*

_{y}(f)*+ 2S*

_{xy}(f)

_{yx}(f)S

*+ S*

_{x}(f)

_{y}(f)S

*+ S*

_{x}(f)*- 2S*

_{y}(f)*- 2S*

_{xy}(f)

_{yx}(f)⇒ In a series RLC circuit for lower frequency power factor is ________

leading, Lagging

lagging, Leading

independent of frequency

same

⇒ 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 language has a preprocessor?

Fortran 77

Pascal

C

None of the above

⇒ The noise performance of a square law demodulator of AM signal is

better than that of an envelope detector

better than that of a synchronous detector

identical with that of a synchronous detector

poorer than that of an envelope detector

⇒ If 4 in binary system is 100 then 8 will be

10

100

111

1000

⇒ If S represents the carrier synchronization at the receiver and r represents the bandwidth efficiency, then the correct statement for the coherent binary PSK is

r = 0.5, S is required

r = 1.0, S is required

r = 0.5, S is not required

r = 1.0, S is not required

⇒ In a backward wave oscillator the wave travelling along the line winds itself back and forth

TRUE

FALSE

⇒ A JFET is a

unipolar device

bipolar device

tripolar device

none of the above

⇒ Figure shows an RC circuit. The magnitude plot V

_{2}/V

_{1will rise exponentially to R2/(R1 + R2) as ω → ∞will rise linearly to R2/(R1 + R2) as ω → ∞will decrease to zero as ω → ∞will rise 1 at ω = 0 and then decrease as ω → ∞}