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Q1. | The phase margin and damping ratio have no relation. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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**Also Read Similar Questions Below :**

⇒ The core of an atom consists of

nucleus

nucleus and all orbits

nucleus and inner orbits

none of the above

⇒ A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. The radiated power will be

196 W

73 W

36.5 W

18.25 W

⇒ A bit synchronizer regenerates at the receiver a clock waveform which is

synchronous with original clock waveform

out of phase by 180° with original clock waveform

out of phase by 90° with the original clock waveform

none of the above

⇒ In a superheterodyne receiver, the IF is 455 kHz. If it is tuned to 1200 kHz, the image frequency will be

1655 kHz

2110 kHz

745 kHz

910 kHz

⇒

**Assertion (A):** C allows the use of logical operators, AND, OR, NOT.

**Reason (R):** C has logical operators as well as bitwise operators like AND, OR etc.

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 R is wrong

A is wrong R is correct

⇒ A woofer should be fed from the input through a

low pass filter

high pass filter

band pass filter

band stop filter

⇒ If the drift velocity of holes under a field gradient of 100 V/m in 5 m/s, their mobility (in SI units) is

0.05

0.5

50

500

⇒ Signal flow graph is used to find :

stability of the system

controllability of the system

transfer function of the system

poles of the system

⇒ The minimum number of NAND gates required to implement the Boolean function A +AB + ABC is equal to

0

1

4

7

⇒ Method of images is applicable to which fields?

Electrostatic fields only

Electrodynamic fields only

Neither electrostatic fields nor electro-dynamic fields

Both electrostatic fields and electro-dynamic fields

⇒ Consider the following registers:

- A accumulator and B register
- B and C registers
- D and E registers
- H and L registers

1, 3 and 4

2, 3 and 4

1 and 2

1, 2 and 3

⇒ Fields are said to be circularly polarized if

their magnitudes are equal

their magnitudes are equal and they differ in phase by ± 90°

their magnitudes are unequal and they differ in phase ± 90°

their magnitudes are unequal and they are in phase

⇒ A resistor is rated at 0.75 watt, 1 kΩ. Its current rating is

1 mA

27.386 mA

1.268 mA

5.393 mA

⇒ In a 100 turn coil, if the flux through each turn is (

*t*

^{3}- 2

*t*)

*m*W

_{b}, the magnitude of the induced emf in the coil at a time of 4 sec is

46 mV

56 mV

4.6 V

5.6 V

⇒ A system with input

*x*[

*n*] and output

*y*[

*n*] is given as

*y*[

*n*] = (sin 5/6 p

*n*)

*x*(

*n*) The system is

linear, stable and invertible

non-linear, stable and non-invertible

linear stable, non invertible

linear, unstable, invertible

⇒ The function shown in the fig

impulse function

signum function

unit step function

none of the above

⇒ In an inverting amplifier using op-amp the current input to the inverting terminal

is equal to the current through feedback resistance

is less than the current through feedback resistance

is more than the current through feedback resistance

may be equal to, less or more than current through feedback resistance

⇒ A failure rate of 0.01 percent in 1000 hours in a memory corresponds to an MTBF of

1000 hours

100000 hours

10 hours

100 hours

⇒ When an atom of polarizability a is placed in an electric field E, the energy stored in atom is 0.5 a E

^{2}.

TRUE

FALSE

⇒ In carbon resistor colour code, if the third band is of silver, it indicates

that three zeros are to be added to indicate the resistance value

multiplier is 0.01

multiplier is 0.1

tolerance is ± 5%

⇒ Consider the following statements about constants in 8085

- The assembler treats 64 H as hexadecimal constant.
- The assembler treats 154 as binary constant.
- The assembler treats 540 as octal constant.
- The assembler treats 138 as decimal constant.

1, 2 and 3 only

1, 3 and 4 only

1 and 3 only

2 and 4 only

⇒ The noise generated by a resistor depends upon

its resistance value

its operating temperature

both its resistance value and operating temperature

none of the above

⇒ In a CE amplifier

both ac and dc load lines have the same slope

the ac load line has more slope than dc load line

the ac load line has less slope than dc load line

the two load lines may have slope more than the other

⇒ The resistance of a metallic wire would

increase as the operating frequency increase

decrease as the operating frequency increase

remain unaffected on increasing the operating frequency

first increase then decrease

⇒ In a resistor the current is

*i*and the voltage is

*v*. The rate of dissipation of heat at any time

*t*is

*vi*

*vit*

*vt*

*vit*

^{2}

⇒ In an LC filter, the ripple factor,

increases with load current

increases with load resistance

remains constant with the load current

has the lowest value

⇒ Two voltages 50 V each have a phase difference of 45°. The rms value of resultant sum of the two voltages is

70.7 V

80.4 V

92.4 V

100 V

⇒ A pre-emphasis circuit provides extra noise immunity by

converting the phase modulation to frequency modulation

pre-amplifying the whole audio band

boosting the base frequencies

amplifying the higher audio frequencies

⇒ For a delayed half wave rectified wave, the average and rms values are lower than those for half wave.

TRUE

FALSE

⇒ According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when

the impedance of one of the networks is half that of the other

the impedance of one is the complex conjugate of the other

the impedance of one is equal to that of the other

none of the above