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Q1. | For an RC admittance function Y, |

A. | Y(∞) < Y(0) [Wrong Answer] |

B. | Y(0) < Y(∞) [Correct Answer] |

C. | Y (∞) may be lesser or greater than Y(0) [Wrong Answer] |

D. | Y(∞) = Y(0) [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 :**

⇒ The main advantage of CMOS circuit is

high gain

high output impedance

low power consumption

high gain and high output impedance

⇒ The resistance of the circuit shown is figur

5 Ω

More than 6 Ω

More than 4 Ω

Between 6 and 7 Ω

⇒ Which of the following is not a valid variable in FORTRAN 77?

BRG

VS

VS 3A

3 VSA

⇒ Which of the following laws of electromagnetic theory is associated with the force experienced by two loops of a wire carrying currents?

Maxwell's law

Coulomb's law

Ampere's law

Laplace's law

⇒ Leak type bias is used in a plate-modulated class C amplifier to

prevent tuned circuit damping

prevent over modulation

increase the bandwidth

prevent excessive grid current

⇒ If the variance σ

_{x}

^{2}of

*d*(

*n*) =

*x*(

*n*) -

*x*(

*n*- 1) is one-tenth the variance σ

_{x}

^{2}of a stationary zero mean discrete time signal

*x*(

*n*), then the normalized autocorrelation function R

_{xx}(

*x*)/σ

_{x}

^{2}at

*k*= 1 is

0.95

0.9

0.1

0.05

⇒ For Bode plot of (1 +

*j*ωT) has

slope of 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of - 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of 20 dB/decade and phase angle - tan

^{-1}(ωT)

slope of - 40 dB/decade and phase angle - tan

^{-1}(ωT)

⇒ Which of the following form of angle modulation in this? If

*e*= 10 sin(10

^{8}

*t*+ 3 sin 10

^{4}

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AM

FM

AM or FM

AM or PCM

⇒ In Fermi-Dirac statistics, the probability of electron occupation of an energy level equal to Fermi level is

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⇒ Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals

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^{-30}C-

*m*

3.33 x 10

^{-30}C-

*m*

^{2}

3.30 x 10

^{-10}C-

*m*

3.33 x 10

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⇒ Rotation of a geosynchronous satellite means its

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⇒ If both emitter base and collector base junctions of a BJT are forward biased, the transistor is in

active region

saturated region

cut off region

inverse mode

⇒ An induction wattmeter can be used for ac only.

TRUE

FALSE

⇒

**Assertion (A):** Millman's theorem helps in replacing a number of current sources in parallel by a single current source.

**Reason (R):** Maximum power transfer theorem is applicable only for dc, circuits.

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

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

A is true but R is false

A is false but R is true

⇒ The log magnitude for the system in the given figure is (where T =

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-20 log (1 + ωT)

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-20 log (1 + ω

^{2}T

^{2})

⇒

**Assertion (A):** The impedance of a series resonant circuit is minimum at resonance.

**Reason (R):** Resonance condition implies unity power factor condition.

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

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

A is true but R is false

A is false but R is true

⇒ Diffraction of electromagnetic wave

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arises only with spherical wavefronts

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⇒ To plot frequency spectrum we draw two graphs

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_{n}TRUE

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⇒ The spins in a ferrimagnetic material are

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⇒ The constellation diagram of a modem has four states as shown in the figure given below. What is the bit rate of this mod

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Four times its band rate

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⇒ The most suitable method for detecting a modulated signal

*g*(

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replace all calculated voltages by reverse values

replace all calculated currents by reverse values

replace all calculated voltages and currents by reverse values

⇒

Match the following:

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

A. | Servomotor | 1. | Error detector |

B. | Amplidyne | 2. | Transducer |

C. | Potentiometer | 3. | Actuator |

D. | Flapper valve | 4. | Power amplifier |

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

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

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

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

⇒ For the two port of figure,

*z*

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⇒ Which of the following combinations is not used in thermocouple transducer measurement of temperature?

Iron-constantan

Chromel-aluminium

Copper-constantan

Iron-silver

⇒ Which one is a linear system?

*y*[

*n*] =

*x*[

*n*] x

*x*[

*n*- 1]

*y*[

*n*] =

*x*[

*n*] +

*x*[

*n*- 10]

*y*[

*n*] =

*x*

^{2}[

*n*]

(a) and (c)

⇒

Match the following:

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

A. | IF noise | 1. | Ganged tuning |

B. | Image frequency | 2. | Spurious response |

C. | Station selector | 3. | Leaky filter capacitor |

D. | Excessive Hum | 4. | Mixer stage |

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

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

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

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

⇒ In pulse width modulation of chopper

T is kept constant and T

_{on}is varied

T

_{on}is kept constant T is varied

both T and T

_{on}are varied

either T or T

_{on}is varied