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Q1. | F = ∑(0, 3, 4, 5, 7) = |

A. | [B ⊕ C] + AC [Wrong Answer] |

B. | B'C' + BC + AC [Correct Answer] |

C. | AB + BC + CA [Wrong Answer] |

D. | None [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 :**

⇒ Examine the following statements

- Pneumatic systems are fire proof.
- Pneumatic systems are explosion proof.
- Hydraulic systems are explosion proof.
- Hydraulic systems are fire proof.

1 only

1 and 2 only

1 2, 3, 4

2, 3, 4 only

⇒ How many interrupts are there of 8085 μP?

4

5

6

8

⇒ In a JFET, gates are always

forward biased

reverse biased

either forward or reverse biased

unbiased

⇒ In tape recorders the hissing noise is due to irregularities in magnetic coating on tape.

TRUE

FALSE

⇒ A waveguide behave as

high Pass filter

low Pass filter

band Pass filter

all Pass filter

⇒ If operator '

*a*' = 1 ∠120° then (1 -

*a*) =

3

3 ∠ - 30°

3 ∠ + 30°

3 ∠60°

⇒ Skip distance depends on time of day and angle of incidence.

TRUE

FALSE

⇒ If

*f*(

*t*) = -

*f*(-

*t*) and

*f*(

*t*) satisfies Dirichlet conditions, then

*f*(

*t*) can be expanded in Fourier series having

sine terms only

cosine terms only

cosine and constant terms

sine and constant term

⇒ To draw ac equivalent circuit for a CE amplifier we should

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Short all capacitors

Reduce all dc sources to zero and short all capacitors

Reduce all dc sources to zero and open all capacitors

⇒ The function of an AM detector circuit is to

rectify the input signal

discard the carrier

provide audio signal

all of the above

⇒ For the polynomial

*P*(

*s*) =

*s*

^{5}+

*s*

^{4}+ 2

*s*

^{3}+ 2

*s*

^{2}+ 3

*s*+ 15 The number of roots which lie in the right half of the

*s*plane is :

4

2

3

1

⇒ Which statement is false as regards holes

Holes exist in conductors as well as semiconductors

Holes constitute positive charges

Holes exist only in semiconductors

Holes and electrons recombine

⇒

Match the following:

List I (Diode Rectifier) | List II (Efficiency is R_{f}/R_{L} = 0.25) | ||
---|---|---|---|

A. | Half wave | 1. | 0.54 |

B. | Bridge Rectifier | 2. | 0.65 |

C. | Full wave using tapped centre transformer | 3. | 0.325 |

A-1, B-2, C-3

A-2, B-1, C-3

A-3, B-2, C-1

A-3, B-1, C-2

⇒ An R-L series circuit has R = 5 Ω and L = .01 H. It is fed by ac 50 Hz supply. The rms current in the circuit is 5 A. The active power supplied by the source is

25 W

50 W

125 W

250 W

⇒ The storage capacity of DSDD disk and DSHD disk are

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360 KB each

1.2 MB and 360 KB respectively

360 KB and 1.2 MB respectively

⇒ In figure I

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⇒ Data are recorded on a 2, 400 ft reel of magnetic tape at a density of 556 characters per inch. If the record length is of 100 characters and 0.75 inch of record gap, the tape utilization factor is

0.85

0.67

0.19

0.08

⇒

**Assertion (A):** Electronic and Ionic polarization in a polyatomic gas are independent of temperature.

**Reason (R):** The orientation polarization is independent of temperature.

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

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

A is true but R is false

A is false but R is true

⇒ How many free electrons does a

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only those produced by thermal energy

only those produced by doping

those produced by doping as well as thermal energy

any of the above

⇒ For an elliptically polarized wave incident on the interface of a dielectric at the Brewster angle the reflected wave will be

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linearly polarized

right circularly polarized

left circularly polarized

⇒ A sphere with charge Q was placed in, but not touching a larger hollow sphere. If there is any charge initially on the outer sphere; to remove it the outer sphere was earthed momentarily, and then the inner sphere was removed. The charge remaining on the outer sphere was then measured. This charge was found to be __________ to the charge on the inner sphere.

equal and of same again

equal and of opposite sign

unequal and of same sign

unequal and of opposite sign

⇒ The poles and zeros of a positive real function

may lie any where in

*s*plane

may have positive or negative real part

must occur in conjugate pair

must have either negative or zero real part

⇒ In TE and TM modes of rectangular waveguides having propagation in

*z*direction

E

_{z}and H

_{z}are both zero

In TE mode E

_{z}is zero and in TM mode H

_{z}is zero

In TE mode H

_{z}is zero and in TM mode E

_{z}is zero

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⇒ An amplifier signal is made up of just two frequencies 1000 Hz. The output signal consists of 500 Hz and 25000 Hz frequencies. This may be attributed to

harmonic distortion

intermodulation distortion

both (a) and (b)

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⇒ Which of these has highly doped

*p*and

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PIN diode

Tunnel diode

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⇒ Which of the following is correct for a driving point functions?

The real parts of all poles must be negative

The real parts of all poles and zeros must be negative

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The real parts of all zeros must be negative

⇒ The current wave shape shown in figure (1) is applied to a circuit element. The voltage across the element is shown in figure (2). The element

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L

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⇒ Which of the following is a valid expression in FORTRAN 77?

B * - 3

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⇒ The number of logic or arithmetic operations with

`ALU 1C 74181`

can carry out is4

8

16

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⇒ A discrete LTI system is non-casual if its impulse response is

*a*

*∪(*

^{n}*n*- 2)

*a*

*∪(*

^{n-2}*n*)

*a*

*∪(*

^{n+2}*n*)

*a*

*∪(*

^{n}*n*+ 2)