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. | The problem of current lagging is associated with |

A. | DCTL gates [Correct Answer] |

B. | DTL gates [Wrong Answer] |

C. | ECL gates [Wrong Answer] |

D. | CMOS gates [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒

**Assertion (A):** The conductivity of an *n* type semiconductor increases with increase in temperature and increase in density of donor atoms.

**Reason (R):** Diffusion of carriers occurs in semiconductors.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

⇒ The inverse Fourier transform of δ(

*t*) is

∪(

*t*)

1

δ(

*t*)

*e*

^{j2pt}

⇒ Decimal number 46 in excess 3 code =

1000 1001

0111 1001

0111 1111

1000 1111

⇒ Which inductor is used at high frequencies?

Cast iron cored

Sheet steel cored

Iron alloy cored

Ceramic cored

⇒ If two time varying signals of equal magnitudes and 90° phase displacement are applied to X and Y plates of CRO, the display will be

a straight line

a circle

an ellipse

a rectangle

⇒ Regarding TASI which one of the following statements is wrong?

It snatches the channel in his speech and may allocate it to another speaker needing it.

The same speaker is reassigned a channel almost instantly when he speaks again even when the circuit is heavily loaded.

It increases the overall utilization of the transmission channel

Intercontinental callers sometimes confuse the effects of TASI with the effects of satellite delay.

⇒ In a class C operation V

_{CC}= 40 V and V

_{CE(sat)}= 0.4 V. The efficiency is

0.9

0.495

0.01

0.005

⇒ The inverse of given Laplace transfor

sin

*t*

cos

*t*

*e*

^{t}*e*

^{2t}

⇒

Match the following:

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

A. | Detection of a periodic signal in noise | 1. | Increase in band-width |

B. | Recovery of a band limited signal from its uniformly sampled values | 2. | Slope over load error |

C. | Finer quantization | 3. | Nyquist rate of signals |

D. | Delta modulation | 4. | Cross correlation |

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

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

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

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

⇒ In FM reception, amplitude disturbances due to static change

reduce the signal frequencies

increase the signal frequencies

disturb the signal frequencies

do not affect the signal frequencies

⇒ The factor η for a UJT is about

0.1

0.2

0.6

0.9

⇒ A negative feedback can be of

2 types

3 types

4 types

only 1 type

⇒ A basic group B

consists of five super groups

has a frequency range of 60 to 108 kHz

consists of erect channels only

is formed at group translating equipment

⇒ For the two port of figure,

*z*

_{1126/7 Ω10/3 Ω6 Ω2 Ω}

⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors as shown below. Find

*i*

8.1818 A

0

0.375

cannot be determined

8.1818 A

0

0.375

cannot be determined

⇒ A divide by 78 counters can be realized by using

six mod-13 counters

thirteen mod-6 counters

one mod 13 counter followed by one mod-6 counter

thirteen mod-13 counters

⇒ Short circuited stubs are preferred to O.C stubs because

O.C stubs are incapable of giving full range of reactances

O.C stubs are liable to radiate

O.C stubs are difficult to make and connect

none of the above

⇒

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

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

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

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

⇒ A mod-2 counter followed by a mod 5 is same as

mod-7 counter

A decade counter

mod-3 counter

none

⇒ Ferrites have

low copper loss

low eddy current loss

low resistivity

higher specific gravity compared to iron

⇒ If V = 100 ∠ 16°, the (V) is

10 ∠ 32°

10 ∠ 8°

10 ∠ 16°

10 ∠ 4°

⇒ The capacitors C

4 μF

6 μF

3 μF

8 μF

⇒ The hexadecimal number 5 F is equal to binary number

1010011

1011001

1010101

1011111

⇒ In a low level AM system, the amplifier which follows the modulated stage must be the

linear device

harmonic device

class C amplifier

non-linear device

⇒ Which inductor is linear?

Air cored

Cast iron cored

Sheet steel cored

Iron alloy cored

⇒

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒ Parity means the same as positive or negative number.

TRUE

FALSE

⇒ Fields are said to be circularly polarized if

their magnitudes are equal

their magnitudes are equal and they differ in phase by ± 90°

their magnitudes are unequal and they differ in phase ± 90°

their magnitudes are unequal and they are in phase

⇒ The range of floating point numbers in Java is

1.4 E - 45 to 3.4 E + 38

3.4 E - 45 to 1.4 E + 38

1.4 E - 38 to 3.4 E + 45

3.4 E - 38 to 1.4 E + 45

⇒ A divide by 78 counters can be realized by using

six mod-13 counters

thirteen mod-6 counters

one mod 13 counter followed by one mod-6 counter

thirteen mod-13 counters

⇒ Short circuited stubs are preferred to O.C stubs because

O.C stubs are incapable of giving full range of reactances

O.C stubs are liable to radiate

O.C stubs are difficult to make and connect

none of the above

⇒

Match the following:

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

A. | Continuous and aperiodic | 1. | Fourier representation is continuous and aperiodic |

B. | Continuous and Periodic | 2. | Fourier representation is discrete and aperiodic |

C. | Discrete and aperiodic | 3. | Fourier representation is continuous and periodic |

D. | Discrete and periodic | 4. | Fourier representation is discrete and periodic |

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

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

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

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

⇒ A mod-2 counter followed by a mod 5 is same as

mod-7 counter

A decade counter

mod-3 counter

none

⇒ Ferrites have

low copper loss

low eddy current loss

low resistivity

higher specific gravity compared to iron

⇒ If V = 100 ∠ 16°, the (V) is

10 ∠ 32°

10 ∠ 8°

10 ∠ 16°

10 ∠ 4°

⇒ The capacitors C

_{1}, C_{3}, C_{4}and C_{5}have a capacitance of 4 μF each and the capacitor C_{2}has a capacitance of 10 μF. The effective capacitance (in μF) between the points X and Y will4 μF

6 μF

3 μF

8 μF

⇒ The hexadecimal number 5 F is equal to binary number

1010011

1011001

1010101

1011111

⇒ In a low level AM system, the amplifier which follows the modulated stage must be the

linear device

harmonic device

class C amplifier

non-linear device

⇒ Which inductor is linear?

Air cored

Cast iron cored

Sheet steel cored

Iron alloy cored

⇒

**Assertion (A):** L[*af*_{1}(*t*) + *bf*_{2}(*t*)] = *a*F_{1}(*s*) - *b*F_{2}(*s*)

**Reason (R):** Initial value theroem enables us to find the value of *f*(*t*) at *t* = 0 directly from F(*s*)

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒

**Assertion (A):** Hamming code is commonly used for error correction

**Reason (R):** In Hamming code the number of parity bits increases as the number of information bits increases.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

⇒ Parity means the same as positive or negative number.

TRUE

FALSE

⇒ Fields are said to be circularly polarized if

their magnitudes are equal

their magnitudes are equal and they differ in phase by ± 90°

their magnitudes are unequal and they differ in phase ± 90°

their magnitudes are unequal and they are in phase

⇒ The range of floating point numbers in Java is

1.4 E - 45 to 3.4 E + 38

3.4 E - 45 to 1.4 E + 38

1.4 E - 38 to 3.4 E + 45

3.4 E - 38 to 1.4 E + 45