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Q1. | Square root of 4 is |

A. | (16)_{16} [Wrong Answer] |

B. | (2)_{2} [Wrong Answer] |

C. | (8)_{16} [Wrong Answer] |

D. | (5)_{16} [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 case of surface waves the field strength at a point is directly proportional to

antenna height

wave frequency

current of the antenna

distance of the point from the antenna

⇒ A tie set schedule shows

incidence of branches to nodes

incidence of branches to loops

incidence of nodes to loops

none of the above

⇒ The depletion layer width of Junction

decreases with light doping

is independent of applied voltage

is increased under reverse bias

increases with heavy doping

⇒ The given figure shows a constant current source driving a parallel RC circuit. It is equivalen

a lag network

a lead network

a lag-lead network

either (a) or (b)

⇒ In active filters inductances are divided because they

are always associated with same resistance

are bulky and unsuitable for miniaturization

are non linear

saturate quickly

⇒ Which of the following statement is correct?

The input impedance of CE amplifier is usually around 10 Ω

The voltage gain of a transistor amplifier in CE mode is always less than unity

The output impedance of a transistor amplifier is independent of the transistor configuration

The voltage gain of a transistor amplifier is independent of the load resistance

⇒ In figure, D

_{1}turns on

*v*

_{i}is more than V

_{1}

*v*

_{i}is less than V

_{1}

*v*

_{i}is between V

_{1}and V

_{2}

none of the above

⇒ A FET is a __________ controlled device whereas a bipolar transistor is a __________ controlled device.

gate, drain

drain, gate

current, voltage

voltage, current

⇒ In a piezoelectric crystal, applications of a mechanical stress would produce

plastic deformation of the crystal

magnetic dipoles in the crystal

electrical polarization in the crystal

shift in the Fermi level

⇒ A first order system will never be able to give a __________ response.

- Band pass
- Band reject
- All pass

1, 2 and 3 are true

1 and 3 are true, 2 is false

1 and 2 are false, 3 is true

1 and 2 are true, 3 is false

⇒ Y = A + A B is the same as

Y = AB

Y = A + B

Y = A + B

Y = A + B

⇒ A material has conductivity of 10

^{-2}mho/m and a relative permittivity of 4. The frequency at which conduction current in the medium is equal to displacement current is

45 MHz

90 MHz

450 MHz

900 MHz

⇒ The resolution of 4 bit counting ADC is 0.5 volt, for an Analog input of 6.6 volts. The digital output of ADC will be

1011

1101

1100

1110

⇒ Four voltmeters have following specifications. If accuracy is main consideration which is the best?

100 V, 2 mA

100 V, 100 mA

100 V, 1 mA

100 V, 0.1 mA

⇒ For the NMOS gate in the given figure,

ABCDE

(AB + C) (D + E)

A(B + C) + DE

A + B C + DE

⇒ 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})

⇒ In the above case the hexadecimal notation for the last memory location is

0

FFFF

3FFF

5FFF

⇒ 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is

0

1

32, 767

65, 535

⇒ If reference sound pressure P

_{0}is 2 x 10

^{-5}N/m

^{2}, a sound pressure of 90 dB is equal to

0.632 N/m

^{2}

0.707 N/m

^{2}

0.835 N/m

^{2}

0.925 N/m

^{2}

⇒ In a JFET

drain current is very nearly equal to source current

drain current is much less than source current

drain current may be equal to or less than source current

drain current may be even more than source current

⇒ In the following non planar graph number of independent loop equations

8

12

7

5

⇒ When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

reflection

refraction

transmission

none of the above

⇒ The signumm function written as [

*sgn(*] is defined as

*t*)*sgn(t)*= - 1 for

*t*< 0, = 0 for

*t*= 0 and = 1 for

*t*> 0

*sgn(t)*= 1 for

*t*< 0, = 0 for

*t*= 0 and = - 1 for

*t*> 0

*sgn(t)*= 0 for

*t*< 0, = 1 for

*t*= 0 and = 0 for

*t*> 0

*sgn(t)*= 0 for

*t*< 0, = 1 for

*t*

^{3}0

⇒ In the circuit shown below, the outputs Y

_{1}and Y

_{2}for the given initial condition Y

_{1}= Y

_{2}= 1 and after four input pulses wil

Y

_{1}= 1, Y

_{2}= 0

Y

_{1}= 0, Y

_{2}= 0

Y

_{1}= 0, Y

_{2}= 1

Y

_{1}= 1, Y

_{2}= 1

⇒ In an integral controller

the output is proportional to input

the rate of change of output is proportional to input

the output is proportional to rate of change of input

none of the above

⇒ Which of the following binary product is incorrect?

1100 x 1010 = 1111000

1.01 x 10.1 = 11.001

1100110 x 1000 = 1100110000

None of the above

⇒ If A = 4∠7°, A

^{2}is

16∠14°

16∠49°

16∠7°

16∠3.5

⇒ ∈

_{r}is determined by the atomic structure of the dielectric.

TRUE

FALSE

⇒ In end fire array the principle direction of radiation

is perpendicular to the array axis

is perpendicular to the array axis and also to the plane containing the array elements

coincides with the direction of the array

is at 45° to the direction of array axis

⇒ The power in the signal

*s*(

*t*) = 8 cos (20 p - p/2) + 4 sin (15 p

*t*) is

40

41

42

82