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 a high pass filter attenuation = 0 at f = 0. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct 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 :**

⇒ For maximum output the width of air gap of audio head should be

equal to wavelength

half the wavelength

one quarter the wavelength

very small as compared to wavelength

⇒ For a BJT, avalanche multiplication factor depends on

V

_{CE}

V

_{CB}

V

_{BE}

none

⇒ The sum of two sine waves of different frequencies is a sine wave.

TRUE

FALSE

⇒ PAM stands for

Pulse Analogue Modulation

Phase Analogue Modulation

Pulse Amplitude Modulation

Phase Amplitude Modulation

⇒ Measuring of unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when

primary circuit battery is changed

standardisation is done to compensate for drift

voltage is larger than range of potentiometer

range reduction by factor of 10 is employed

⇒ The analog signal given below is sampled by 600 samples per se

600 Hz

120 Hz

300 Hz

360 Hz

⇒

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

⇒ Assuming that flip-flops are in reset condition initially, the count sequence observed at Q

_{A}in the circuit show

0010111...

0001011...

0101111...

0110100...

⇒ If ω

_{0}is the angular frequency of rotation of electron in the absence of magnetic field, the angular frequency ω, when a magnetic field B is acting is ω ≅ ω

_{0}+ (

*e*/2

*m*)B.

TRUE

FALSE

⇒ A resistance R, inductance L and capacitance C are in series. The source frequency is adjusted to be equal to resonant frequency. The lower half power frequency is ω

_{1}. Another resistance R is added in series with the circuit. The new lower half power frequency will be

ω

_{1}

less than ω

_{1}

more than ω

_{1}

either more than ω

_{1}or less then ω

_{1}

⇒ The relative permeability of an iron specimen is 400 when B = 0.2 T. If B = 0.4 T, μ

_{r}will be

400

less than 400

more than 400

more or less than 400

⇒ In figure The minimum and maximum load currents

0 and 60 mA

0 and 120 mA

10 mA and 60 mA

10 mA and 120 mA

⇒ The loss of charge method can be used to measure

resistance of shunt

insulation resistance of cable

resistance of shunt winding

both (b) and (c)

⇒ Moving iron instrument can be used for ac only.

TRUE

FALSE

⇒ Which of the following is not a wideband antenna?

Marconi

Discone

Helical

Folded dipole

⇒ Flash ADC is

serial ADC

parallel ADC

series-parallel ADC

successive approximation ADC

⇒ The addition of a zero to the open loop transfer function

pulls the root locus to the left and makes the system more stable

pulls the root locus to the right and makes the system less stable

either (a) or (b)

neither (a) nor (b)

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | C | 1. | 7 eV |

B. | Si | 2. | 1.15 eV |

C. | Ge | 3. | 0.75 eV |

D. | Sn | 4. | 0.1 eV |

E. | Pb | 5. | 0 eV |

A-2, B-3, C-4, D-5, E-1

A-1, B-2, C-3, D-4, E-5

A-3, B-1, C-2, D-5, E-4

A-4, B-5, C-1, D-2, E-3

⇒ If the ratio

*p*(

*s*)/

*q*(

*s*) represents a transfer function then

the degree of

*p*(

*s*) may be as small as zero, independent of degree of

*q*(

*s*)

the degree of

*p*(

*s*) and

*q*(

*s*) must be equal

the degrees of

*p*(

*s*) and

*q*(

*s*) must not be equal

the degrees

*p*(

*s*) and

*q*(

*s*) must differ by at least two

⇒ A source of angular frequency 1 rad sec has a source impedance consisting of 1 Ω resistance in series with 1 H inductance. The load that will obtained the maximum power transfer is

1 Ω resistance

1 Ω resistance in parallel with 1 H inductance

1 Ω resistance in series with 1 F capacitor

1 Ω resistance in parallel with 1 F capacitor

⇒ Rayleigh current balance is an absolute instrument.

TRUE

FALSE

⇒ The Thevenin's equivalent of network in figure(1) is a 10 V source in series with 2 Ω resistance. If a 3 Ω resistance is connected across AB as shown in figure(2) the Thevenin's equivalen

10 V in series with 1.2 Ω resistance

6 V in series with 1.2 Ω resistance

10 V in series with 5 Ω resistance

6 V in series with 5 Ω resistance

⇒ While obtaining minimal SOP expression

all do not care terms are ignored

all do not care terms are treated as 1

all do not care terms are treated as 0

only such do not care terms which aid minimization are treated as 1

⇒ Bus bars are always meant for very heavy currents.

TRUE

FALSE

⇒ Oscillator crystal is made of

silicon

germanium

diamond

quartz

⇒ An arrangement of several individual antennas to spaced and phased that their individual contributions combine in one preferred direction and cancel in all other directions, to get greater directive gain or directivity, is known as

directional radiation of antennas

antenna gain stability

array of antennas

none of the above

⇒ One of the advantages of base modulation over collector modulation of a transistor class C amplifier is

improved efficiency

better linearity

high power output per transistor

the lower modulating power requirement

⇒ Which of the following is a valid FORTRAN assignment statement?

10 = N

X + 2.1 = 5.6

A = B

A = B = 1

⇒ How many different binary numbers can be stored in a register consisting of six switches?

16

32

64

128

⇒ Dish antennas are

loop

helical

parabolic

conical