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 configuration of figure |

A. | Hartley oscillator [Wrong Answer] |

B. | Precision Integrator [Wrong Answer] |

C. | Wienbridge oscillator [Correct Answer] |

D. | Butterworth high pass filter [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 :**

⇒ In 8085 microprocessor, what is the length of PC (program counter)?

6 bits

8 bit

12 bits

16 bits

⇒ Since noise phase modulated FM wave, as the noise sideband frequency approaches the carrier frequency, the noise amplitude

is equalized

is increased

is decreased

remains constant

⇒ The first row of the window is called ' Title bar '.

TRUE

FALSE

⇒ The number of comparator circuits required to build a three-bit simultaneous A/D converter is

7

8

15

16

⇒ Which of the following figures is an ideal equivalent circuit of a n-p-n transis

figure A

figure B

figure C

none

⇒ A m

*P*contains 2 MHz crystal. The time taken to complete instructions with 1000 cycles is

2

*ms*

1

*ms*

2

*nx*

1

*ns*

⇒ 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

⇒ IN 3242 is a

P-N-P transistor

N-P-N transistor

UJT

semi-conductor diode

⇒ In 8085 microprocessor, how many lines are there in address bus?

6

8

12

16

⇒ If V = 20 + j20, then log

_{e}(A) A is

3.342 +

*j*45

28.28 ∠45°

400 ∠45°

3.342 +

*j*0.785

⇒ When measuring phase angle between two waves using a CRO, the time base generator is connected to

X plate

Y plate

both X and Y plate

neither X nor Y plates

⇒ The resistivity of intrinsic semiconductors, at room temperature, is of the order of

1 Ω-m

1000 Ω-m

10

^{6}Ω-m

10

^{-3}Ω-m

⇒ Crompton potentiometer has

14 coils and a slide wire all having the same resistance

14 coils and a slide wire but the resistance of slide wire is half that of each coil

14 coils each of different resistance

14 coils out of which 7 coils have resistance which is twice that of remaining 7 coils

⇒ Which of the following pairs of semiconductors and current carriers is correctly matched?

Intrinsic : number of electrons = number of holes

*P*type : number of electrons > number of holes

*N*type : number of electrons < number of holes

Bulk : neither electrons nor holes

⇒ In the signal flow graph in the given figure the number of forward paths and pairs of non-touching loops are respecti

3 and 1

3 and 2

4 and 2

2 and 4

⇒ The current I flowing in the branc

-12 A

0

0.125

-3 A

⇒ In a series regulated power supply circuit, the voltage gain A

_{v}, of the 'pass' transistor satisfies the condition

A

_{v}→ ∞

1 << A

_{v}< ∞

A

_{v}≈ 1

A

_{v}<< 1

⇒ Which of these has lowest dielectric strength?

Dry air

Wet air

Cotton

Paper

⇒ Which characteristics of a memory chip is called dc characteristics?

Organisation

Timing characteristics

Physical dimensions

Power consumption and bus loading

⇒ Which device can detect the presence of both forward and backward waves in a waveguide?

Filter

Detector

Directional coupler

Magic T

⇒ An RC impadence function has a pole at

*s*= 0. The first element in the Foster form of synthesis

is R

may be R and C

is C

is R and C in parallel

⇒ In figure, Z

_{1}= 200∠60° Ω, Z

_{2}= 400∠ - 90° Ω, Z

_{3}= 300∠0°. Then Z

_{4}for bridge to be balanced

150∠30° Ω

400∠ - 90° Ω

300∠90° Ω

600∠ - 150° Ω

⇒ In a circuit of figure, V

_{s}= 10 cos(ω

*t*) power drawn by the 2Ω resistor is 4 watts. The power facto

0.3

0.4

0.6

none

⇒ The input to negative clamper has a peak value of V

_{p}. Then in the output the positive and negative peaks are nearly

0 and -2 V respectively

V

_{p}and -V

_{p}respectively

2 V

_{p}and 0 respectively

none of the above

⇒ In a composite filter terminating half sections are used for impedance matching.

TRUE

FALSE

⇒ The current distribution along a travelling wave antenna can be written in the form

*f*(

*z*) =

*f*

_{0}e

^{-jβz}

*f*(

*z*) =

*f*

_{0}sin β

_{z}

*f*(

*z*) =

*f*

_{0}

*f*(

*z*) =

*f*

_{0}cos (ω

*t*- β

_{z})

⇒ Which of the following antennas is λ /4 length?

Dipole

Marconi

Monopole

Parabolic

⇒ A padder is basically a/an

insulator

variable resistor

capacitor

inductor

⇒ In metals, the average drift velocity of electron per unit field is called mobility.

TRUE

FALSE

⇒ The number of flip-flops required to build a mod-19 counter is

4

5

6

7