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Q1. | The poles of an RC function |

A. | are simple and lie on jω axis [Correct Answer] |

B. | are simple and lie on negative real axis [Wrong Answer] |

C. | may be complex conjugate [Wrong Answer] |

D. | may be anywhere in s plane [Wrong Answer] |

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

⇒ 4 bit 2's complement representation of a decimal number is 1000. The number is

8

0

-7

-8

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

`ANUT`

`MONEY`

`A MONEY`

`BS`

⇒ Consider the following statements:

- The positiveness of coefficients of characteristic equation is necessary as well as sufficient condition for stability of first and second order systems.
- The positiveness of coefficients of characteristic equation ensures negativeness of real roots but is not sufficient condition for stability of third and higher order systems.

only 1 is correct

both 1 and 2 are correct

only 2 is correct

both are wrong

⇒ 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

⇒ The circuit given below

counter

digital to analog converter

two-bit series-to-parallel converter

analog-to digital converter

⇒ The magnetic field due to current I equals

I/2 p

*r*

I/4 p

*r*

I

^{2}/2 p

*r*

I

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*r*

⇒ When number of quantization levels are two; then the average transmission power in NRZ polar signaling is __________ that of NRZ unipolar signaling

42737

42739

42743

none of these

⇒ The number of stator field windings in an ac tachometer are

1

2

3

4

⇒

**Assertion (A):** The regular or irregular stacking of atoms has importanteffect on properties of materials.

**Reason (R):** The arrangement of atoms in a given material can be studied using X-rays.

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

⇒ If G(

*s*)H(

*s*) = K (T

_{1}

*s*+ 1)/[

*s*

^{2}(T

_{2}s + 1)] the system stability depended an relative magnitudes of T

_{1}and T

_{2}.

TRUE

FALSE

⇒ A capacitor input filter relies on

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peak detection

both (a) and (b)

neither (a) nor (b)

⇒ For a given voltage four heating coils will give maximum heat when connected

in parallel

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with two parallel pairs in series

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⇒ In the given figure, the curves 1, 2, 3 are respectively

all pass, minimum phase and non-minimum phase functions

minimum phase, all pass and non-minimum phase functions

non-minimum phase, all pass and minimum phase functions

minimum phase, non-minimum phase and all pass functions

⇒ The pressure coil of a wattmeter should be connected to the supply side of the current coil when

load impedance in high

load impedance is low

voltage is high

voltage is low

⇒ Tropospheric scatter propagation is not subject to any fading.

TRUE

FALSE

⇒ A discrete LTI system is non-casual if its impulse response is

*a*

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⇒ A push pull amplifier is a

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voltage amplifier

current amplifier

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⇒ Hydrogen is used in

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MCB

large size generators

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⇒ Which of the following is active transducer?

Photoelectric

Photovoltaic

Photoconductive

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⇒ The saving of power in DSB-SC modulated at 80% is

NIL

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0.7576

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⇒ A (A + B) =

A

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A

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⇒ The first and the last critical frequencies (singularities) of a driving point impedance function of a passive network having two kind of elements, are a pole and a zero respectively. The above property will be satisfied by

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LC network only

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⇒ The effect of adding poles and zeros can be determined quickly by

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⇒ The Thevenin's equivalent of network in figure(1) is a 10 V source in series with 2 Ω resistance. If a 3 Ω resistance is connected across AB as shown in figure(2) the Thevenin's equivalen

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6 V in series with 1.2 Ω resistance

10 V in series with 5 Ω resistance

6 V in series with 5 Ω resistance

⇒ A 10 μF capacitor is charged from a 5 volt source through a resistance of 10 kΩ. The charging current offer 35 m sec. If the initial voltage on C is - 3 V is

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⇒ A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance

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⇒ Which of the following statements is incorrect?

A mesh with two resistors has two mesh currents

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A Norton is a series circuit

⇒ The modulation index of wideband FM signal is

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unity

greater than unity

nearly 0.67

⇒ Intrinsic concentration of charge carriers in a semiconductor varies as

T

T

^{2}

T

^{3}

T

^{-2}

⇒ The cut off wavelength in circular waveguide

guide diameter

square of guide diameter

cube of guide diameter

square root of guide diameter