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. | Decimal 43 in hexadecimal and BCD number system is respectively. |

A. | B2, 01000011 [Wrong Answer] |

B. | 2B, 01000011 [Correct Answer] |

C. | 2B, 00110100 [Wrong Answer] |

D. | B2, 01000100 [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 :**

⇒ In a multiphase chopper, all choppers operate together.

TRUE

FALSE

⇒ Which of the following statements is not true in regard to storage time of a diode?

During this time, the diode is reverse-biased

The diode conducts during this time

It is due to the time taken by carriers to depart from the function when the diode is reverse-biased

During this time the diode current is zero

⇒

Match the following:

List I (μP) | List II (Number of bits in register) | ||
---|---|---|---|

A. | 8085 | 1. | 32 bit |

B. | 8086 | 2. | 16 bit |

C. | 68000 | 3. | 8/16 bit |

A-1, B-2, C-3

A-2, B-3, C-1

A-3, B-2, C-1

A-3, B-1, C-2

⇒ The advantages of high density IC are

more circuits on chip

high operating speed

low power consumption

both (a) and (b)

⇒ A communication satellite is a repeater between

a transmitting station and a receiving station

a transmitting station and many receiving station

many transmitting station and many receiving station

none

⇒ For the circuit, let us assume that R = 1 Ω, L = 10

^{-3}H, and V(t) = 10 cos (1000

*t*+ 30°)V and the differential equation for I(

*t*) is give

7.07 cos (1000

*t*+ 15°) A

70.7 cos (1000

*t*- 30°) A

7.07 cos (1000

*t*- 15°) A

7.07 cos (1000

*t*+ 15°) A

⇒ An RLC series circuit is excited by a step voltage E. The circuit current at

*t*= 0 is

E/R

E/LC

zero

infinity

⇒ The secondary lobes in binomial arrays can be reduced by

maintaining spacing between two consecutive radiating sources less than λ/2

maintaining the amplitudes in radiating sources, from outer towards the centre source, proportional to the coefficients of the successive terms of the binomial series

both (a) and (b)

none of the above

⇒ Thermal runaway is not possible in FET, because as the temperature of FET increases.

the mobility decreases

the transconductance increases

impedance of the source

power dissipation in the chip

⇒ The capacitance of a parallel plate capacitor varies as per the equation C(

*t*) = C

_{0}(1 - cos ω

*t*). It is connected to a battery of V volts. The equation for current is

ωC

_{0}V (1 - cos ω

*t*)

ωC

_{0}V(1 - sin ω

*t*)

ωC

_{0}V (1 - sin 2ω

*t*)

ωC

_{0}V sin ω

*t*

⇒ If other parameter are constant, transmission loss at 5 GHz as compared to that at 0.5 GHz is

20 dB more

20 dB less

700 dB more

100 dB less

⇒ The dynamic characteristics of capacitive transducer are similar to those of

LP filter

HP filter

notch filter

band stop filter

⇒ In FSK no synchronous carrier is needed at the receiver

TRUE

FALSE

depend on distance

none

⇒ The dual of a node is

mesh

principal node

tree branch

link

⇒ The shunt admittance of a transmission line is given by

γ = R +

*j*ωL

γ = R -

*j*ωL

γ = G +

*j*ωC

γ =

*j*ωGC

⇒ In an RC phase shift oscillator, the total phase shift of the three RC lead networks is

360°

180°

90°

0°

⇒ The system with given pole-zero diagra

casual

non-casual

both sided

not-possible

⇒ In binomial arrays the elimination of secondary lobes takes place

at the cost of directivity

at the cost of gain

both (a) and (b)

none of the above

⇒ A Wien bridge is suitable for

audio frequencies only

radio frequencies only

both audio and radio frequencies

very low frequencies only

⇒ For a rectangular waveguide (

*a*x

*b*,

*a*>

*b*) to support only the TE

_{10}mode at wavelength which one of the following pairs of in equalities is to be satisfied?

*b*< λ < 2

*b*; λ > 2

*a*

*b*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ > 2

*a*

⇒ Which one is discrete time periodic signal?

sin 3p

*n*

cos 2p

*n*

sin 3p

*n*

all

⇒ For a random variable

*x*following the probability density function, p(

*x*), shown in figure, the mean and the variance are respective

1/2 and 2/3

1 and 4/3

1 and 2/3

2 and 4/3

⇒ As the viscosity of a liquid increases, the relaxation time

remains constant

increases

decreases

first decreases then increases

⇒

Match the following:

List I (Operation in Basic) | List II (Priority) | ||
---|---|---|---|

A. | Exponentiation | 1. | 1 |

B. | Multiplication and division | 2. | 2 |

C. | Addition and subtraction | 3. | 3 |

D. | Expression within parenthesis | 4. | 4 |

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

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

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

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

⇒ An LED has a rating of 2 V and 10 mA. It is used along with 6V battery. The range of series resistance is

0 to 200 Ω

200 - 400 Ω

200 Ω and above

400 Ω and above

⇒ A P-N junction offers

high resistance in forward as well as reverse direction

low resistance in forward as well as reverse direction

conducts in forward direction only

conducts in reverse direction only

⇒ The minimum step size required for a Delta modulator operating at 36 samples/sec to track the signal (here

*u*(

*t*) is the unit step function)

*x*(

*t*) = 125

*t*(

*u*(

*t*) -

*u*(

*t*- 1)) + (250 - 125

*t*) (

*u*(

*t*- 1) -

*u*(

*t*- 2)) So that slope overload is avoided, would be

2

^{-10}

2

^{-8}

2

^{-6}

2

^{-4}

⇒ The oscillator frequency is set for

best picture

max. sound

min. sound

sound in picture

⇒ A full wave bridge rectifier is supplied voltage at 50 Hz. The lowest ripple frequency will be

400 Hz

200 Hz

100 Hz

50 Hz

⇒ In a directional coupler

isolation (dB) equals coupling plus directivity

coupling (dB) equals isolation plus directivity

directivity (dB) equals isolation plus coupling

isolation (dB) equals (coupling) (directivity)