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. | For the logic circuit shown in figure, the simplified Boolean expression for the output |

A. | A + B + C [Wrong Answer] |

B. | AB [Correct Answer] |

C. | B [Wrong Answer] |

D. | C [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 :**

⇒ Ferrites are

ferromagnetic materials

ferrimagnetic materials

ferroelectric materials

ferri-ferromagnetic materials

⇒ The antenna current of an AM transmitter is 8 A. When only the carrier is sent, but it increases to 8.93 A. when the carrier is sinusoidally modulated. The percentage modulation is nearly

0.9

0.8

0.75

0.7

⇒ Read the following statements about files in Pascal

- A file is a data structure which consists of a sequence of components of the same type.
- The number of components in a file is variable.
- The components in a file can be accessed only sequentially starting from the beginning of the file.

All

1 and 2 only

2 and 3 only

1 and 3 only

⇒ For a series circuit of R and variable X

_{L}the admittance locus is

a semicircle in first quadrant

a semicircle in fourth quadrant

a straight line in first quadrant

a straight line in fourth quadrant

⇒ The total inductance of two coils is 60 mH in series aiding connection and 40 mH in series opposing connection. The mutual inductance between coils is

20 mH

10 mH

5 mH

2.5 mH

⇒ A waveguide section in a microwave circuit acts as

LP filter

Bandpass filter

HP filter

Band stop filter

⇒ A coil has a designed for high Q performance at a rated voltage and a specified frequency. If the frequency of operation is doubled, and the coil is operated at the same rated voltage, then the Q factor and the active power P consumed by the coil will be affected as follows.

P is doubled, Q is halved

P is halved, Q is doubled

P remains constant, Q is doubled

P decreases 4 times, Q is doubled

⇒ A 4 bit ripple counter is in 0000 state. The clock pulses are applied and then removed. The counter reads 0011. The number of clock pulses which have occurred are

3

3 or 19

3 or 19 or 35

none of the above

⇒ Minimum no. of 2 I/P NAND gate required to implement the Boolean function Z = ABC, assuming that A, B and C are available is

2

3

5

6

⇒ An instrument of accuracy class 1 can have an error equal to

+ 1% of reading

± 1% of reading

± 1% of full scale deflection

+ 1% of full scale deflection

⇒ An

*n*type silicon bar 0.1 cm long and 100 μm

^{2}in cross-sectional area has a majority carrier concentration of 5 x 10

^{20}/m

^{3}and the carrier mobility is 0.13 m

^{0}/V-

*s*at 300k. If the charge of an electron is 1.6 x 10

^{-19}coulomb, then the resistance of the bar is

10

^{6}ohm

10

^{4}ohm

10

^{-1}ohm

10

^{-4}ohm

⇒ In a bipolar junction transistor a

_{dc}= 0.98, I

_{CO}= 2 μA and 1

_{B}= 15 μA. The collector current I

_{C}is

635 mA

735 mA

835 mA

935 mA

⇒ In the given figure shows the equivalent circuit of a magic tee. If all ports are mat

*n*

_{E}=

*n*

_{H}= 2

*n*

_{E}=

*n*

_{H}= 0.707

*n*

_{E}= 2,

*n*

_{H}= 0.707

*n*

_{H}= 0.707,

*n*

_{H}= 2

⇒ Consider the differential amplifier shown in figure. (Assume β is very hi

1 MΩ

100 kΩ

15 kΩ

≈ 0

⇒ The ripple factor of power supply is a measure of

its filter efficiency

diode rating

its voltage regulation

purity of power output

⇒ In the network of figure it is desired that maximum power be supplied to Z

_{2}. The values of Z

_{1}and Z

_{2}are fixed. However the transformation ratio 'a' of transformer can be changed. The value of 'a' for maximum power transfe

|Z

_{2}|/|Z

_{1}|

[|Z

_{2}|/|Z

_{1}|]

^{0.5}

[|Z

_{2}|/|Z

_{1}|]

^{2}

[|Z

_{2}|/|Z

_{1}|]

^{0.75}

⇒ For a short dipole having an effective length less than half the wavelength the radiation resistance is

proportional to length

proportional to square root of length

proportional to square of length

none of the above

⇒ Which of the following quantities have same dimension in

*emu*and

*esu*?

- Current
- Electrical power
- Electrical energy

1 only

1 and 2

2 and 3

1 and 3

⇒ A rectangular waveguide measures 3 x 4.5 cm internally and has a 10 GHz signal propagated in it. Calculate the guide wavelength for dominant mode.

13.5 m

3 m

88/3 m

3/88 m

⇒ In drawing phasor diagram

rms values are used

peak values are used

either rms or peak values are used

either rms or peak or averages values are used

⇒ An ideal op-amp has zero slew rate.

TRUE

FALSE

⇒ CMOS is widely used in

digital wrist watches

analog circuits

high power circuits

all of the above

⇒ The circuit shown in figure conv

BCD to binary code

binary to excess-3 code

excess-3 to Gray code

gray to binary code

⇒ Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.

TRUE

FALSE

⇒ If

*x*

*= 2*

_{k}*for*

^{k}*k*≤ 0 and = 0 for

*k*> 0 X(

*z*) = 2/(2 -

*z*).

TRUE

FALSE

⇒ A lead compensator is basically a

high pass filter

low pass filter

band stop filter

none of the above

⇒ The IF bandwidth of a radar receiver is inversely proportional to

pulse interval

pulse width

PRF

none of the above

⇒ The current in a

*p*-

*n*junction diode with V volts applied in

*p*region relative to

*n*region (where I

_{0}is reverse saturation current,

*m*is ideality factor,

*k*is Boltzmann's constant, T is absolute temp and

*q*is charge on electron) is

I

_{0}(

*e*

^{-qV/mkT}- 1)

I

_{0}

*e*

^{-qV/mkT}

I

_{0}(

*e*

^{qV/mkT})

I

_{0}(

*e*

^{qV/mkT}- 1)

⇒ A digital voltmeter has a read out range from 0 to 999 counts. If the full scale reading is 9.999 V, the resolution is

1 V

0.01 V

1 mV

1 μV

⇒ The SID data received is

LSB first

LSB last

1

none of these