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. | A parallel RLC circuit has ω_{0} = 10^{6} and Q = 30, Given C = 30 pF, the value of R is |

A. | 0 [Wrong Answer] |

B. | 1 μΩ [Wrong Answer] |

C. | 2 MΩ [Wrong Answer] |

D. | 1 MΩ [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 a N-P-N transistor, when emitter junction is forward biased and collector junction is reverse biased, the transistor will operate in

active region

saturation region

cut of region

inverted region

⇒ For the given figure C(

*s*)/R(

*s<*

K

0.5 K

2 K

0.25 K

K

0.5 K

2 K

0.25 K

⇒ In commercial electron tubes the current produced by the cathode at 1000 K is about

0.01 A per cm

0.1 A per cm

1 A per cm

5 A per cm

⇒ The abbreviation DTL stands for

Digital Timing Logic

Diode Transistor Logic

Dynamic Transient Logic

Delayed Tracking Logic

⇒ Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is t

Weinbridge oscillator

Hartley oscillator

Colpitt's oscillator

R-C phase shift oscillator

⇒ A resistance wire strain gauge has gauge factor 2. If stress is 100 mega newton/m

0.1

0.2

0.4

0.5

⇒ The transistor specification number 2N refers to

triac

diac

junction transistor

FET with one gate

⇒ For a periodic signal with finite number of discontinuities in each period, at isolated points of discontinuity the series converges to __________ .

difference value of signal on either side of discontinuity

highest value of signal on either side of discontinuity

average value of signal on either side of discontinuity

sum of value of signal on either side of discontinuity

⇒ In one time constant, the current in a circuit reaches __________ percent of its final value.

10

37

63

85

⇒ In SSB generation, the most commonly used filter is

low pass

RC

LC

mechanical

⇒ A 14 pin AND gate IC has __________ AND gates.

8

6

4

2

⇒ Which of the statement is correct?

for reciprocal networks AD - BC = 1

ABCD parameters are used in transistor circuit

⇒ In parallel in-parallel out shift register all bits are loaded and read simultaneously.

TRUE

FALSE

⇒ The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z

4 bit adder giving P + Q

4 bit subtractor giving P - Q

4 bit subtractor giving Q - P

4 bit adder giving P + Q + R

⇒ The trapezoidal pattern of figure is obtained when examining an AM wave by an oscilloscope. Modulation factor of the wave

0.33

0.5

2

1

⇒ For the transport lag G(

a semi circle

a circle

a unit circle

none of the above

⇒ An average responding rectifier type electronic voltmeter has its scale calibrated in terms of rms value of sine wave. If 100 V peak value square wave is fed to this voltmeter, the reading will be

111 V

100 V

90.9 V

70.7 V

⇒ A rare gas having N atoms/m

TRUE

FALSE

⇒ The effect of current shunt feedback in an amplifier is to

increase the I/P resistance and decrease the O/P resistance

increase both I/P and O/P resistance

decrease both I/P and O/P resistance

decrease the I/P resistance and increase O/P resistance

⇒ In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and

90°

60°

45°

30°

⇒ The hexadecimal number 'A0' has the decimal value

80

256

100

160

⇒ Which of the following will be hexadecimal number just for prior to F52B?

E 51 A

F 51 B

E 52 B

F 52 A

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

very low

low

high

almost zero

⇒ In the fabrication of n-p-n transistor in an IC, the buried layer on the P-type substrate is

P

n

used to reduce the parasitic capacitance

located in the emitter region

⇒ In the circuit of figure β = 50 and V

⇒ If

⇒ Semi conducting materials are all

elements

compounds

elements or compounds

elements or mixtures

⇒ For a second order instrument, the optimum range of ξ (damping ratio), which gives good frequency response over a wide range of frequencies is

0.5 to 0.6

0.6 to 0.7

0.7 to 0.8

0.8 to 1.0

⇒ The number of flags available in 6800 are

6

5

7

4

⇒

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

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

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

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

⇒ In commercial electron tubes the current produced by the cathode at 1000 K is about

0.01 A per cm

^{2}of cathode surface0.1 A per cm

^{2}of cathode surface1 A per cm

^{2}of cathode surface5 A per cm

^{2}of cathode surface⇒ The abbreviation DTL stands for

Digital Timing Logic

Diode Transistor Logic

Dynamic Transient Logic

Delayed Tracking Logic

⇒ Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is t

Weinbridge oscillator

Hartley oscillator

Colpitt's oscillator

R-C phase shift oscillator

⇒ A resistance wire strain gauge has gauge factor 2. If stress is 100 mega newton/m

^{2}and Young's modulus is 200 giga newton/ m^{2}, the percentage change in gauge resistance due to stress is0.1

0.2

0.4

0.5

⇒ The transistor specification number 2N refers to

triac

diac

junction transistor

FET with one gate

⇒ For a periodic signal with finite number of discontinuities in each period, at isolated points of discontinuity the series converges to __________ .

difference value of signal on either side of discontinuity

highest value of signal on either side of discontinuity

average value of signal on either side of discontinuity

sum of value of signal on either side of discontinuity

⇒ In one time constant, the current in a circuit reaches __________ percent of its final value.

10

37

63

85

⇒ In SSB generation, the most commonly used filter is

low pass

RC

LC

mechanical

⇒ A 14 pin AND gate IC has __________ AND gates.

8

6

4

2

⇒ Which of the statement is correct?

*h*and*g*matrices are inverse of each other*z*and*y*matrices are inverse of each otherfor reciprocal networks AD - BC = 1

ABCD parameters are used in transistor circuit

⇒ In parallel in-parallel out shift register all bits are loaded and read simultaneously.

TRUE

FALSE

⇒ The circuit shown in the figure has 4 boxes each described by inputs P, Q, R and outputs Y, Z

4 bit adder giving P + Q

4 bit subtractor giving P - Q

4 bit subtractor giving Q - P

4 bit adder giving P + Q + R

⇒ The trapezoidal pattern of figure is obtained when examining an AM wave by an oscilloscope. Modulation factor of the wave

0.33

0.5

2

1

⇒ For the transport lag G(

*j*ω) =*e*^{-jωT}, the polar plot isa semi circle

a circle

a unit circle

none of the above

⇒ An average responding rectifier type electronic voltmeter has its scale calibrated in terms of rms value of sine wave. If 100 V peak value square wave is fed to this voltmeter, the reading will be

111 V

100 V

90.9 V

70.7 V

⇒ A rare gas having N atoms/m

^{3}is subjected to an electric field E. The electric dipole moment per unit volume is proportional to N and E.TRUE

FALSE

⇒ The effect of current shunt feedback in an amplifier is to

increase the I/P resistance and decrease the O/P resistance

increase both I/P and O/P resistance

decrease both I/P and O/P resistance

decrease the I/P resistance and increase O/P resistance

⇒ In figure, E = 1 V (rms value). The average power is 250 mW. Then phase angle between E and

90°

60°

45°

30°

⇒ The hexadecimal number 'A0' has the decimal value

80

256

100

160

⇒ Which of the following will be hexadecimal number just for prior to F52B?

E 51 A

F 51 B

E 52 B

F 52 A

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

very low

low

high

almost zero

⇒ In the fabrication of n-p-n transistor in an IC, the buried layer on the P-type substrate is

P

^{+}-dopedn

^{+}-dopedused to reduce the parasitic capacitance

located in the emitter region

⇒ In the circuit of figure β = 50 and V

_{BE}= 0.5 V. The quiescent value of base current I_{Babout 28 μAabout 28 mAabout 0.28 μAabout 2.8 A}⇒ If

*x*_{1}(*t*) = 2 sin p*t*+ cos 4 p*t*and*x*_{2}(*t*) = sin 5 p*t*+ 3 sin 13 p*t*then*x*_{1},*x*_{2}both periodic*x*_{1}*x*_{2}both not periodic*x*_{1}periodic,*x*_{2}not periodic*x*_{1}is not periodic ; but*x*_{2}is periodic⇒ Semi conducting materials are all

elements

compounds

elements or compounds

elements or mixtures

⇒ For a second order instrument, the optimum range of ξ (damping ratio), which gives good frequency response over a wide range of frequencies is

0.5 to 0.6

0.6 to 0.7

0.7 to 0.8

0.8 to 1.0

⇒ The number of flags available in 6800 are

6

5

7

4

⇒

Match the following:

List I (Power device) | List II (Max. frequency) | ||
---|---|---|---|

A. | Power Bipolar | 1. | MHz |

B. | Power MOSFET | 2. | 100 kHz |

C. | SCR | 3. | 10 kHz |

D. | Insulated gate bipolar transistor | 4. | 1 kHz |

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

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

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

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