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Q1. | The units of F(jω) are volt-seconds. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ In a J-K flip flop the input J = K = 1 pulse is about

set

reset

no change

toggle

⇒ Find the maximum power that can be delivered to a

0.025 W

2.5 W

2.5 W

0.25 W

⇒ In the context of error detection in satellite transmission, ARQ stands for

Automatic Repeat Request

Automatic Relay Request

Accelerated Recovery Request

Automatic Radiation Quenching

⇒ A pole zero plot of a filter is shown in figure. I

low pass filter

high pass filter

band pass filter

all pass filter

⇒ Indium, aluminium, arsenic are all

*p*type impurities.

TRUE

FALSE

⇒ The intrinsic impedance of free space

increases with increase of frequency

decreases with increase of frequency

is independent of frequency

none

⇒ The characteristic equation of a control system is given as

*s*

^{4}+ 8

*s*

^{3}+ 24

*s*

^{2}+ 32

*s*+ K = 0. What is the range of values of K for this system to be stable?

0 ≤ K < 80

0 ≤ K < 100

0 ≤ K < 2300

0 ≤ K < 600

⇒

**Assertion (A):** A Smith chart can be used for a number of calculations of a transmission line

**Reason (R):** Smith chart is basically a polar impedance diagram.

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 correct but R is wrong

A is wrong but R is correct

⇒ The voltage in a circuit follows the law

*v*= 100 sin ω

*t*if the frequency is 25 Hz, how long will it take for the voltage to rise to 50 volts?

1/150

*s*

1/100

*s*

1/300

*s*

1/600

*s*

⇒ Find R

_{L}for maximum power tran

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1.125 Ω

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⇒ In figure the total inductance of the circui

L

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L

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L

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L

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⇒ Use of high permeability core in moving iron instrument helps in

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increasing sensitivity

reducing temperature error

all of the above

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even when load current is zero

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intrinsic semiconductor

lightly doped semiconductor

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⇒ In integral cycle control the period of on-off control should be more than mechanical time constant of load.

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⇒ In a conductor the conduction and valence bands overlap

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⇒ A series resonant circuit is capacitive at

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⇒ Binary multiplication 1 x 0 =

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⇒ Two CE stages, 1 and 2 are coupled through a capacitor. V

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base current of stage 1 is more than that of stage 2

base current of stage 2 is more than that of stage 1

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Match the following:

List I (Power device) | List II (Max. frequency) | ||
---|---|---|---|

A. | Power Bipolar | 1. | MHz |

B. | Power MOSFET | 2. | 100 kHz |

C. | SCR | 3. | 10 kHz |

D. | Insulated gate bipolar transistor | 4. | 1 kHz |

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

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

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

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

⇒

Match the following:

List I (Properties) | List II (Relations) | ||
---|---|---|---|

A. | Linear but NOT time-invariant | 1. | y(t) = t^{2}x(t) |

B. | Time-invariant but NOT linear | 2. | y(t) = t |x(t)| |

C. | Linear and time invariant | 3. | y(t) = |x(t)| |

4. | y(t) = x(t - 5) |

A-1, B-3, C-4

A-2, B-3, C-4

A-3, B-1, C-2

A-1, B-2, C-3

⇒ A voltage

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⇒ In the epitaxial diffused method of fabricating integrating circuits the process involved are __________

- Epitaxial growth
- Diffusion
- Silicon diode growth
- Vacuum evaporation of aluminium
- Photoetching

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1 - 3 - 5 - 2 - 4

3 - 1 - 4 - 5 - 2

1 - 3 - 2 - 4 - 5

⇒ What is the characteristic of a good control system?

Sensitive to parameter variation

Insensitive to input command

Neither sensitive to parameter variation nor sensitive to input commands

Insensitive to parameter variation but sensitive to input commands

⇒ Nyquist stability criterion is based on a theorem from the theory of complex variables.

TRUE

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⇒ In a hot wire instrument, the deflection is proportional to

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⇒ The VLF, LF and MF antennas are

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vertically polarized

non linearly polarized

either (a) or (b)

⇒

**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