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Q1. | High speed logic circuits use |

A. | pulses with very small width [Correct Answer] |

B. | pulses with very large width [Wrong Answer] |

C. | pulses whose width is neither small nor large [Wrong Answer] |

D. | either (b) or (c) [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 :**

⇒ Which one is correct option?

TEM mode exist in free space of infinite boundary

TEM mode exist in two conductor pattern system for finite-boundary

TEM mode exist in waveguide only

Both (a) and (b)

⇒ If B

_{max}is the maximum flux density, hysteresis loss is proportional to

B

_{max}

B

^{1.6}

_{max}

B

^{2}

_{max}

B

^{3}

_{max}

⇒

Match the following:

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

A. | Horn antenna | 1. | High directivity |

B. | Parabolic antenna | 2. | Very high directivity |

C. | Lens antenna | 3. | Moderate directivity |

A-1, B-2, C-3

A-3, B-2, C-1

A-3, B-1, C-2

A-1, B-3, C-2

⇒ The chemical effect of current is used in

dc ampere hour meter

dc ammeter

ac energy meter

all of the above

⇒ It is desired to evaluate the expression

`F = B * COS (Y) + C * SQR (COS (Y) + A * COS (Y) * COS (Y) * COS (Y)`

`F = B * COS (Y) + C * SQR [COS (Y)] + A * COS (Y) * SQR [COS (Y)]`

`F = B * COS (Y) + C * COS(Y) * COS (Y) + A * COS (Y) * COS (Y) * COS (Y)`

` X = COS(Y)`

⇒ The Clapp oscillator shown in figure will operat

4.6 kHz

46 kHz

460 kHz

4600 kHz

⇒ The spectral range of a band pass signal extends from 10 MHz to 10.4 MHz. What is the minimum sampling frequency required for reconstruction?

20 MHz

20.8 MHz

20.4 MHz

0.8 MHz

⇒ **Assertion (A):** A hot wire ammeter has a cramped scale.

**Reason (R):** The heat is proportional to square of current.

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 R is false

A is false R is true

⇒ Which of the following is not a proper FORTRAN expression?

B + A / C - D

(A + C) / (B + D)

B + * A / C

A ** (B + 2)

⇒ For an n-channel JEFT having drain source voltage constant if the gate source voltage is increased (more negative) pinch off would occur for

high values of drain current

saturation values of drain current

zero drain current

gate current equal to the drain current

⇒ The direction in a Yagi Uda antenna is longer than the radiating element.

TRUE

FALSE

⇒ Choose the correct option - Mesh is the smallest loop of circuit
- Loop is smallest path of circuit
- Loop does not contain any mesh
- Loop may have one or more than one mesh

1, 2, 3, 4

3, 4, 2

1, 4

3, 2

⇒ The resistance of a standard conductor.

increases with frequency

same for *ac* and *dc*

increases with frequency

increases as square root of frequency

⇒ In the circuit shown in given figure, the values of i(0^{+}) and I(∞), will be respecti

zero and 1.5 A

1.5 A and 3 A

3 A and zero

3 A and 1.5 A

⇒ In the television system in India, each frame is scanned

100 times

50 times

20 times

10 times

⇒ **Assertion (A):** Helium, Argon and Neon are gaseous at room temperature.

**Reason (R):** The atoms in Helium, Argon and Neon are chemically extremely inactive.

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

⇒ In *h* parameter representation, the independent variables are

I_{1} and V_{2}

I_{2} and V_{1}

V_{1} and V_{2}

I_{1} and I_{2}

⇒ The open loop gain of an amplifier is 50 but is likely to change by 20%. If negative feedback with β = 0.1 is used, the change in gain will be about

0.2

0.1

0.04

0.0005

⇒ Zero mean Gaussian noise of variance N is applied to a half wave rectifier. The mean squared value of the rectified output will be

0

N/2

N/2

N

⇒ In the following figure C = 0.02 μF, and V_{th} is known to be of frequency ω = 10^{7} rad/sec and *r*_{d} = 2.5 Ω and Z_{Th} = R_{Th} = 10 Ω Then phase angle between *i*_{d} and V_{d26.5°25°30°0°}

⇒ The RC network of wein bridge oscillator consists of resistors and capacitors of values R = 220 kΩ and C = 250 PF Determine the frequency of oscillation

2.98 kHz

3 kHz

2 kHz

10 kHz

⇒ The distance of poles from origin depends on

undamped natural frequency

damping ratio

both (a) and (b)

neither (a) nor (b)

⇒ The function in the given figure can be writte

*u*(*t* - 1) sin p ( *t* - 1) - *u*(*t* - 3) sin p (*t* - 3) + *u*(*t* - 4) sin p (*t* - 4) - *u*(*t* - 6) sin p (*t* - 6)

*u*(*t* - 1) sin p ( *t* - 1) - *u*(*t* - 3) sin p (*t* - 3) + *u*(*t* - 4) sin p (*t* - 4)

*u*(*t* - 1) sin p ( *t* - 1) + *u*(*t* - 4) sin p (*t* - 4)

*u*(*t* - 1) sin 2p ( *t* - 1) + *u*(*t* - 4) sin 2p (*t* - 4)

⇒ Which of the following counters can be used to divide the clock frequency of a microprocessor by 5?

3 bit counter

5 bit counter

mod 3 counter

mod 5 counter

⇒ If sound wave has an intensity of 10 Pa. The dB level is about

1.139 dB

11.39 dB

113.9 dB

1139 dB

⇒ Maximum effective aperture (A_{e})max of short dipole antenna is

1.119 λ^{2}

0.119 λ^{2}

1.19 λ^{2}

1.919 λ^{2}

⇒ When a reverse bias is applied to a *p*-*n* junction, the width of depletion layer.

decreases

increases

remains the same

may increase or decrease

⇒ In cellphone communication base antennas are connected to other base antennas in

line of sight communication

ionospheric propagation

ground wave propagation

medium wave propagation

⇒ Consider the frequency modulated signal 10 cos (2p x 10^{5}*t* + 5 sin (2p x 1500*t*) + 7.5 sin (2p x 1000*t*) with carrier frequency of 10^{5}Hz. The modulation index is

12.5

10

7.5

5

⇒ ICs are

analog

digital

both analog and digital

mostly analog

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