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Q1. | Modelling error may occur due to |

A. | neglecting the nonlinear characteristics of plant [Wrong Answer] |

B. | inaccuracy of parameters [Wrong Answer] |

C. | change of plant characteristics with time [Wrong Answer] |

D. | any of the above [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒ Current through a charging capacitor exhibits

an exponential growth function

an exponential decay function

a step decay function

a linear decay function

⇒ In thermal ohm's law, temperature and power loss are analogous to

V and I respectively of ohm's law

I and V respectively of ohm's law

R and V respectively of ohm's law

I and R respectively of ohm's law

⇒ In the circuit of figure the current through C at

*t*= &infin

0.166666666666667

2.5 A

3.1 A

0

⇒ To produce magnetic flux, mmf is necessary.

TRUE

FALSE

⇒

**Assertion (A):** Absolute instruments are used in standard laboratories.

**Reason (R):** Absolute instruments do not require calibration.

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 R is false

A is false R is true

⇒ The inputs to logic gate are 0. The output is 1. The gate is

NAND or XOR

OR or XOR

AND or XOR

NOR or Ex-NOR

⇒ In a rectifier only a portion of input power is converted into DC power. The rest is AC power.

TRUE

FALSE

⇒ The attraction between the nucleus and valence electron of copper atom is

zero

weak

strong

either zero or strong

⇒ In figure as the load resistance is cha

the zener current remain constant

the load current remains constant

the output voltage remains constant

the output voltage and current through

*R*remain constant

⇒ The conductivity of germanium increases by about 6 percent per degree increase in temperature.

TRUE

FALSE

⇒ The circuit realizes the func

(A + B) E + CD

(A + B) (E + CD)

(A + B) (E + C + D)

(AB + E). CD

⇒ Which of the following is invariably found in SSB?

Tuned modulator

Class B, RF amplifier

Class C, audio amplifier

All of the above

⇒ For the time domain response shown in figure the

lies in left half plane

lies on imaginary axis

lies along the positive real axis

may be complex or imaginary

⇒ The fourier transform of the half cosine pulse as shown below is _______

0.5 {sin [0.5(

*f*- 1)] + sin [0.5 (

*f*+ 1)]}

0.25 [sin c[0.25 (

*f*- 2)1 + sin c[0.25(

*f*+ 2)]]

0.5 {sin c [0.5 (

*f*- 1)] + sin c [0.5 (

*f*+ 1)]}

sin c(

*f*- 0.5) + sin c (

*f*+ 0.5)

⇒ A 2 μF capacitor is shunted by a 1 kΩ maintained at temperature 400 K. The rms noise voltage across the capacitor over the entire frequency band is:

6.25 x 10

^{-8}V

5.25 x 10

^{-6}V

6.25 x 10

^{-6}V

5.25 x 10

^{-8}V

⇒ The effect of negative feedback on distortion and bandwidth because

both are decreased

both are increased

distortion is reduced and bandwidth is increased

distortion is increased and bandwidth is decreased

⇒ The contents of stack location 2109 H after the call operation wil

1111

1010101

100000

100010

⇒ The power required to produce a gain of 10 dB over 4 W of original power is __________ watt.

80

40

0.4

8

⇒ In FM, the frequency deviation is

always constant

directly proportional to modulating frequency

inversely proportional to modulating frequency

proportional to amplitude of modulating signal

⇒ In a negative feedback amplifier A = 100, β = 0.04 and V

_{s}= 50 mV, then feedback will be

4

8

10

2

⇒ The number of repeaters in a coaxial cable link depends on

system bandwidth

separation of equalizers

the number of coaxial cables in the tube

none of the above

⇒ Which of the following is not valid in case of bipolars?

It has a low input impedance

It has high voltage gain

It is a current controlled device

It is difficult to bias

⇒ A current 10 sin (200

*t*) A flows through a 5 mH inductance. The expression for voltage is

10 sin (200

*t*+ 90°)

10 sin (200

*t*- 90°)

10 sin(1000

*t*+ 90°)

10 sin (1000

*t*- 90°)

⇒ In a D latch

D drives R and D drives S

D drives S and D drives R

D drives both R and S

D drives both R and S

⇒ In the op-amp circuit of figure, V

_{0Vi3 Vi5 Vi0.5 Vi}

⇒ The number of programmable 8 bit registers of 6800 are

2

3

4

5

⇒ Alternating current can induce voltage because it has magnetic field which is

constant

time varying

stronger field than D.C.

closed loop nature.

⇒ The response of a thermistor overs the whole of its temperatures range is

linear

non-linear

almost linear

either (a) or (c)

⇒ For an n-channel JEFT having drain source voltage constant if the gate source voltage is increased (more negative) pinch off would occur for

high values of drain current

saturation values of drain current

zero drain current

gate current equal to the drain current

⇒ In a coupled coil the primary has 100 turns and secondary has 200 turns. The primary produces, a flux Φ =

*e*

^{-t}. The coefficient of coupling is 1. The voltages induced in secondary is

200

*e*

^{-t}V

200

*e*

^{t}V

200 V

none of the above