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Q1. | The noise margin of a TTL gate is about |

A. | 0.2 V [Wrong Answer] |

B. | 0.4 V [Wrong Answer] |

C. | 0.6 V [Correct Answer] |

D. | 0.8 V [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ An MTI compares a set of received echos with those received during the previous sweep.

TRUE

FALSE

⇒ The relation between thermionic emission current and temperature is known as

Richardson Dushman equation

Langmuir child law

Ohm's law

Boltzmann's law

⇒ Of the various capacitances associated with a junction transistor the gain bandwidth product is affected to maximum extend by

base collector parasitic capacitor

base collector space charge layer capacitance

base emitter space charge layer capacitance

base emitter diffusion capacitance

⇒ Degaussing in a picture tube means

Adding magnetism in mask and mounting frame

Removing residual magnetism in mask, shield etc...

Increasing resistance of coils to decrease time constant

Decreasing resistance of coils to increase time constant.

⇒ If sound intensity is 8 W/m

^{2}, the dB level of this sound is about

5 dB

50 dB

129 dB

1290 dB

⇒ During processing the instructions, data, intermediate results and final results in a computer are held in

CPU

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Secondary memory

⇒ In a 4 input AND gate, the total number of High outputs for 16 input states are

16

8

4

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⇒ E-mail can be used to send text, graphics, and video.

TRUE

FALSE

⇒ A is even or B is true. Negation of above statement is

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A is odd and B is false

A is even or B is false

A is even and B is false

⇒ When a wave reaches the open circuited end of a line

all the forward energy is reflected by the open circuit

all the forward energy is absorbed by the open circuit

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⇒ Eddy currents are essential for the deflecting torque of an induction wattmeter.

TRUE

FALSE

⇒ In a practical current source, the load current

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⇒ Consider the following amplifier with negative feed

-9 x 10

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9 x 10

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-11 x 10

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11 x 10

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⇒ Radiation resistance of half-wave dipole (λ/2) antenna is in free space

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36.5 Ω

70 Ω

⇒ As regards ∈

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only ∈

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only ∈

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⇒ For overdamped systems a quadratic factor in transfer function can be replaced by two first order factors with real poles

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⇒ In the circuit shown in figure, I

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8 V

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⇒ Which of the following oscillator circuits uses three capacitors in the phase shifting network?

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⇒ In the circuit shown in figure, maximum power will be transferred

Z

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⇒ The inverse Laplace transform of 1/(

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⇒ Which of the following quantities cannot be measured/determined using Hall effect?

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*f*, C

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*f*, C

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781.2 KH

838.32 KH

938.24 KH

738.24 KH

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⇒ The two conductors of a single phase transmission line suspended in air carry currents in opposite directions. The force per unit length on each conductor varies

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directly as the distance between the two conductors

directly as the square of the current in either conductor

inversely as the square of the distance between the two conductors

⇒ The natural frequency S

-1

1

42737

-2

⇒

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

⇒ D/A converters are generally

weighted resistor network

binary ladder network

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⇒ In a second order system, the time constant t of exponential envelopes depends

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neither on damping factor nor on natural frequency

⇒ An RLC series circuit has R = 30 Ω, X

30 ∠0°.

30 ∠45°

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90 ∠45°.

⇒ The two conductors of a single phase transmission line suspended in air carry currents in opposite directions. The force per unit length on each conductor varies

directly as the current in either conductor

directly as the distance between the two conductors

directly as the square of the current in either conductor

inversely as the square of the distance between the two conductors

⇒ The natural frequency S

_{n}of the given circui-1

1

42737

-2

⇒

**Assertion (A):** In hot wire instrument the material of hot wire in generally platinum iridium.

**Reason (R):** A hot wire ammeter is suitable for ac only

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

⇒ D/A converters are generally

weighted resistor network

binary ladder network

either (a) or (b)

neither (a) nor (b)

⇒ In a second order system, the time constant t of exponential envelopes depends

only on damping factor

only on natural frequency

both on damping factor and natural frequency

neither on damping factor nor on natural frequency

⇒ An RLC series circuit has R = 30 Ω, X

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30 ∠45°

42.42 ∠45°

90 ∠45°.