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Q1. | Coupling and bypass filters can be a source of |

A. | low-frequency parasitics [Wrong Answer] |

B. | high-frequency parasitics [Correct Answer] |

C. | carrier frequency parasitics [Wrong Answer] |

D. | none of the above [Wrong Answer] |

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

⇒ A moving coil instrument has a resistance of 0.5 Ω and a full scale deflection of 0.1 A. To convert it into an ammeter of 0-10 A the shunt resistance should be

0.004 Ω

0.005 Ω

0.05 Ω

0.1 Ω

⇒ In rectifier circuits, the rms value of ac component of output voltage is equal to

V

_{rms}

0.5 V

_{rms}

(V

_{rms}- V

_{dc})

^{0.5}

(V

_{rms}

^{2}- V

_{dc}

^{2})

^{0.5}

⇒ The M circle for M = 1 is the

straight line at

*x*= - 0.5

critical point (-l,

*jo*)

circle with

*r*= 0.33

circle with

*r*= 0.67

⇒ In the given figure the input frequency

*f*= 10(1/2 p

0 dB

3 dB

-3 dB

-20 dB

⇒ A surge voltage

has very high magnitude and very long duration

has very high magnitude and very small duration

has very high magnitude and very small duration and can be positive or negative

can be only positive

⇒ The wave in wave guide has

group velocity inversely proportional to wavelength

larger frequency than in the free space

diminishing wavelength than in the free space

larger wavelength than in the free space

⇒ For the network shown below, the Thevenin voltage and R

_{TH}is equal to _______

0 V, 58.82 Ω

0 V, 96.774 Ω

0 V, 3 KΩ

None of these

⇒ The high voltage level of a digital signal in positive logic is

1

0

either 1 or 0

-1

⇒ UHF and microwaves in the frequency range 300 MHz to 30 GHz can be best transmitted using __________ propagation

sky wave

ground wave

duct

none of the above

⇒ Which of the following uses a capacitor in the feedback path?

Active low pass filter

Active high pass filter

Both (a) or (b)

Neither (a) nor (b)

⇒ The slew rate of an ideal op-amp is

very slow

slow

fast

infinitely fast

⇒ If the functions

*w, x, y, z*are as foll

*w = z x = z*

*w = z, x = y*

*w = y*

*w = y = z*

⇒ The poles with greater displacement from the real axis correspond to

higher frequencies of oscillations

stable response

lower frequencies of oscillations

unbounded output

⇒ In parallel in-parallel out shift register all bits are loaded and read simultaneously.

TRUE

FALSE

⇒ Consider an incremental vector element of length ΔL and angle between an electric field E and ΔL s cos &the

In the direction of E

In opposite direction of E

In the angle of 45° with E

In the angle of 60° with E

⇒ Thermistors are made of

pure metals

pure insulators

tintered mixture of metallic oxides

pure semiconductors

⇒ In a transistor CE mode, V

_{CC}= +30 V. If the transistor is in cut off region, V

_{CE}=

+30 V

+20 V

10 V

zero

⇒ What will be conversion time of a successive approximation A/D converter which uses 2 MHz clock and 5 bit binary ladder containing 8 V reference.?

2.5 μ sec

25 μ sec

3 μ sec

4 μ sec

⇒ A wire strain gauge has a gauge factor of 2, resistance of 125 Ω and length 1 m. If length of wire changes by .005 m, change in resistance will be

0.25 Ω

0.5 Ω

1.25 Ω

2.5 Ω

⇒ Shaft encoder is used to measure

angular position

linear position

linear velocity

linear acceleration

⇒ A CE amplifier has a high input signal. In the wave shape of emitter current

positive and negative half cycles will be symmetrical

positive half cycle will be elongated and negative half cycle will be compressed

positive half cycle will be compressed and negative half cycle will be elongated

the half cycles may be either elongated or compressed

⇒ For the circuit shown in the following figure I

_{0}-I

_{3}are inputs to the 4:1 multiplexer R(MSB) and S are control

PQ + PQ S + Q R S

P Q + PQ R + P Q S

P Q R + P QR + PQRS + Q R S

PQ R + PQR S + P Q R S + Q R S

⇒ System bus is the communication channel between microprocessor and peripherals.

TRUE

FALSE

⇒ When a plane wave travelling in free space is incident normally on a medium having ε

_{r}= 4.0, then fraction of power transmitted into the medium is given by

42956

42737

42738

42861

⇒ The self inductances of two coils are 27 H and 3 H. If the winding or coils is such that 50% of flux of one links the other, the mutual inductance is

30 H

24 H

9 H

4.5 H

⇒ The concentration of minority carriers in an extrinsic semiconductor under equilibrium is

directly proportional to the doping concentration

inversely proportional to doping concentration

directly proportional to intrinsic concentration

inversely proportional to the intrinsic concentration

⇒ In figure V is ideal voltmeter having infinite resistance. It will read __________ v

40

60

0

100

⇒ The response of D'Arsonval galvanometer is over damped if

D

^{2}> 4CJ

D

^{2}> 2CJ

D

^{2}< 4CJ

D

^{2}< 2CJ

⇒

Match the following:

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

A. | Serial Binary adder | 1. | (2n - 1)t_{pd} |

B. | Ripple carry adder | 2. | (n - 1)t_{pd} |

C. | Carry look ahead binary adder | 3. | Operation time independent of size |

4. | 6t for 4 bit carry look ahead adder_{pd} |

A-2, B-1, C-3

A-2, B-1, C-4

A-1, B-2, C-4

A-1, B-2, C-3

⇒ If poles lie in first quadrant, damping ratio is

1

more than 1

less than 1

zero