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 advantage of Weinbridge oscillator over the phase shift oscillator is that oscillator the frequency may be varied over a range of |

A. | 0.0430555555555556 [Wrong Answer] |

B. | 0.04375 [Wrong Answer] |

C. | 0.0451388888888889 [Wrong Answer] |

D. | 0.0486111111111111 [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 :**

⇒ In tape recorder erase head is active during recording.

TRUE

FALSE

⇒ IC 74181 has two select lines.

TRUE

FALSE

⇒ The output voltage waveform of a CE amplifier is fed to a dc coupled CRO. The trace on the screen will be

dc output voltage

ac output voltage

sum of dc and ac output voltage

either (a) or (b)

⇒ In a radio receiver with simple AGC

the highest AGC voltage is produced between stations

an increase in signal strength produces more AGC

the audio stage gain is normally controlled by AGC

the faster the time constant of AGC, more accurate the output

⇒ A two branch parallel tuned circuit has 100 Ω resistance and 0.1 H inductance in one branch and 10

^{-6}F capacitor in the other. At resonance frequency, the dynamic resistance is

10 Ω

100 Ω

1000 Ω

10000 Ω

⇒ In FM, the frequency deviation is

always constant

directly proportional to modulating frequency

inversely proportional to modulating frequency

proportional to amplitude of modulating signal

⇒ The compensator in the given figure

lag compensator

lead compensator

lag-lead compensator

none of the above

⇒ In decimal system the base of radix is

0

1

10

e

⇒ Consider the following

line 25

line 35

any of the lines 15 or 25, 35

⇒ The current flow in a semiconductor is due to

holes

electrons

holes and electrons

holes, electrons and ions

⇒ For a 4096 x 8 EPROM, the number of address lines is

14

12

10

8

⇒ The open loop frequency response of a unity feed back system is as u

20 dB and 15°

20 dB and 25°

6 dB and 15°

6 dB and 25°

⇒ For a rectified sinusoidal wave clipped at 0.707 its peak value (figure), the average valu

70.7 V

63.7 V

54 V

15 V

⇒ To study electromagnetic radiations from astronomical objects, radio astronomers use

low frequencies

medium frequencies

microwaves

either (

*a*) or (

*b*)

⇒ A compensated wattmeter has its reading corrected for error due to which one of the following parameters?

Frequency

Friction

Power consumed in current coil

Power consumed in pressure coil

⇒ Each cell of a static RAM has

4 MOS transistors

4 MOS transistors and 2 capacitors

2 MOS transistors and two capacitors

1 MOS transistor and 1 capacitor

⇒ In semiconductor strain gauge

resistance increases with strain

resistance decreases with strain

resistance increases with strain in p type and decreases with strain in n type

resistance increases with strain in n type and decreases with strain in p type

⇒ For the factor (1 + 0.5

*j*ω) the corner frequency is

1 rad/sec

0.5 rad/sec

2 rad/sec

0.25 rad/sec

⇒ The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is

2

3

4

5

⇒ Which of the following is not a valid real constant in C?

1.2

*e*2.0

-2.3

*e*- 2

-2.3

*E*2

-2.3

*e*2

⇒ When a complex signals is used to frequency modulate a carrier, the resulting sideband distribution is

symmetrical about the carrier

not necessarily symmetrical about the carrier

decided by the predominant sidebands

none of the above

⇒ The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is

40 mA

20 mA

10 mA

5 mA

⇒ Nichols chart consists of

constant magnitude loci

constant phase angle loci

magnitude and phase angle loci in log-magnitude versus phase diagram

none of the above

⇒

**Assertion (A):** XOR gate is not universal gate.

**Reason (R):** It is not possible to realize any Boolean function using XOR gates only.

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

⇒ A nibble corresponds to

2 successive bits of data

4 successive bits of data

8 successive bits of data

16 successive bits of data

⇒ When the

*i*-

*v*curve of a photodiode passes through origin the illumination is

maximum

minimum

zero

equal to rated value

⇒ A reactance function is always a quotient of

even to odd polynomials

odd to even polynomials

even to odd or odd to even polynomials

even to even polynomials

⇒ Which of the following conversion is incorrect?

2048.0625 = 100000000000.0001

_{2}

100000011.1001

_{2}= 131.5625

_{10}

101101

_{2}= 45

_{8}

Hexadecimal B6C

_{7}= 46791

_{10}

⇒ In elemental dielectrics, the orientation and ionic polarization are absent.

TRUE

FALSE

⇒ The direction in a Yagi Uda antenna is longer than the radiating element.

TRUE

FALSE