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Q1. | For a level input sequential circuit |

A. | output in a level only [Correct Answer] |

B. | output is in the pulse form [Wrong Answer] |

C. | output may be a pulse or a level form [Wrong Answer] |

D. | none of these [Wrong Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ A TE

_{10}rectangular waveguide is to be designed for operation over 25-35 GHz and the band centre is 1.5 times the cutoff frequency. The dimension of broadside is

15 mm

10 mm

9 mm

7.5 mm

⇒ In photoelectric emission the maximum kinetic energy of emitted electron is proportional to

*f*

*f*

*f*

^{2}

*f*

^{3}

⇒ A single phase fully controlled bridge rectifier is fed by a source having inductance. The output voltage during overlap period is

V

_{m}

0.5 V

_{m}

zero

0.5 V

_{m}- voltage drop across inductance

⇒ Which of the following integer expressions is correct in Pascal?

`- A + B + M `

` A div B * mod C `

`A - 4.0`

`A / B + D`

⇒

**Assertion (A):** A good op-amp should have very large band width

**Reason (R):** An ideal op-amp should have infinite input resistance and zero output resistance

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

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

A is correct R is wrong

A is wrong R is correct

⇒ The output impedance of a logic pulser is

low

high

may be Low or High

can't say

⇒ Which of the following instructions have only one operand?

Multiply

Add

Shift

Subtract

⇒ If the target cross-section is changing, the best scanning system for accurate tracking is

lobe switching

monopulse

sequential lobing

conical scanning

⇒ A

*n*-type silicon sample contains a donor concentration of N

_{d}= 2 x 10

^{16}cm

^{-3}. The minority carrier hole lifetime is t

_{p0}= 5 μs. The thermal equilibrium generation rate of hole is:

1.125 x 10

^{9}cm

^{-3}s

^{-1}

0.625 x 10

^{9}cm

^{-3}s

^{-1}

4.5 x 10

^{9}cm

^{-3}s

^{-1}

2.25 x 10

^{9}cm

^{-3}s

^{-1}

⇒ Which of the following elements act as donor impurities?

- Gold
- Phosphorus
- Boron
- Antimony
- Arsenic
- Indium

1, 2 and 3

1, 2, 4, and 6

3, 4, 5 and 6

2, 4 and 5

⇒ A quantization error is an essential aspect of ADC

TRUE

FALSE

⇒ A stationary process has

all statistical properties independent of time

all statistical properties dependent of time

zero variance

ensemble average equal to time average

⇒ In a 3 input NAND gate, the number of states in which output is 1 equals

8

1

6

5

⇒ In a receiver, at higher frequencies

tracking will be improved

tracking will be poor

selectivity will be poor

image frequency rejection will be poor

⇒ An I/O processor control the flow of information between

cache memory and I/O devices

main memory and I/O devices

1 Two I/O devices

cache and main memories

⇒ In an ordinary thyristor

turn on and turn off times are equal

turn on time is more than turn off time

turn off time is more than turn on time

turn on time may be equal, less than or more than turn off time

⇒ Directivity of antenna is defined as

maximum directive gain

average directive gain

∞

0

⇒ The maximum effective aperture of an antenna which is operating at wavelength of 2 m and has directivity of 100 is

15.92

31.84

2.18

3.184

⇒ The logic performed by the high-noise immunity logic circuit shown belo

OR

AND

NOR

NAND

⇒ Ferrites have

low copper loss

low eddy current loss

low resistivity

higher specific gravity compared to iron

⇒ A resistor R of 1 Ω and two inductor L

_{1}and L

_{2}of inductances 1 H and 2 H respectively, are connected in parallel. At some time, the current through L

_{1}and L

_{2}are 1 A and 2 A, respectively. The current through R at time

*t*= ∞ will be

zero

0.0416666666666667

0.0833333333333333

0.125

⇒ In an RL series circuit the inductance is 1H and current at an instant is 0.6 A. The energy stored in magnetic field is

0.36 J

0.18 J

0.09 J

0.03 J

⇒ If N = 196, the result of the following program will be

16

16

196

⇒ In shot noise

the current rises around mean value

the current rises to peak value, decreases to zero and then again rises

the current may become negative

the current is always less than the mean value

⇒ The operator precedence in Java is in the order

arithmetic operation, increment and decrement operation, comprassion, logical operation and assignment operation.

increment and decrement operation, arithmetic operation, comparison, logical operation and assignment operation.

comparison, arithmetic operation, increment and decrement operation, logical operation and assignment operation.

arithmetic operation, comparison operation, increment and decrement operation, logical operation and assignment operation.

⇒ The value of parameter

*r*

_{e}used in

*r*

_{e}transistor model

increases with increase in temperature

decreases with increase in temperature

is not affected by increase in temperature

either (b) or (c)

⇒ The characteristic polynomial of a system is

*q*(

*s*) = 2

*s*

^{5}+

*s*

^{4}+ 4

*s*

^{3}+ 2

*s*

^{2}+ 1. The system is :

stable

marginally stable

unstable

oscillatory

⇒ Which junction transistor is preferred for high input and low output impedances?

Common emitter

Common base

Common collector

Any of the above

⇒ For the block diagram of the given figure, the equation describing system dynamic

(1 + RC

*s*) Δθ

_{0}(

*s*) = Δθ

_{i}(

*s*) + R Δ H(

*s*)

(1 + RC

*s*) [ΔH(

*s*)] = Δθ(

*s*) - Δθ

_{0}(

*s*)

(1 + RC

*s*) Δθ

_{0}(

*s*) = RΔ H(

*s*) - Δ θ

*(*

_{i}*s*)

(1 + RC

*s*) Δθ

*(*

_{i}*s*) = Δ H(

*s*)[R] - Δθ

_{0}(

*s*)

⇒ In a rectangular waveguide cutoff wavelength for TE

_{10 }mode is 8 cm. Then cutoff wavelength for TE

_{20}mode is

8 cm

6 cm

4 cm

2 cm