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Assertion (A): When performance specifications are given in term of transient response characteristics, root locus method is a suitable method. Reason (R): When performance specifications in terms of state variables are given, modern control methods can be used. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Correct Answer] |
C. | A is correct but R is wrong [Wrong Answer] |
D. | R is correct but A is wrong [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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⇒ The communication satellite INSAT-IB had to take up the job of INSAT-IA because the latter collapsed within __________ months of its launch.
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A phasor whose magnitude changes with time
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PCM
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Implict addressing
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⇒ If the open-loop transfer function is a ratio of a numerator polynomial of degree 'm' and a denominator polynomial of degree 'n', then the integer (n - m) represents the number of:
breakaway points
unstable poles
separate root loci
asymptotes
⇒ In a directional coupler
isolation (dB) equals coupling plus directivity
coupling (dB) equals isolation plus directivity
directivity (dB) equals isolation plus coupling
isolation (dB) equals (coupling) (directivity)
⇒ The scale of moving iron instrument is linear.
TRUE
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3N
3Y
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about 13.5 V
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⇒ In a three cavity klystron amplifier, the oscillations are excited in
input cavity
output cavity
intermediate cavity
both (a) and (b)
⇒ For a flexible cable, most suitable insulation is
magnesium oxide
glass fibre
insulating tape
polyvinyl chloride
⇒ A sinusoidal ac voltage of amplitude 100 V is applied to a rectifying device which offers 10 Ω resistance in forward direction and infinite resistance in backward direction. A moving coil ammeter is also connected in the circuit. The reading of ammeter will be
0.416666666666667
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FALSE
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0.33
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⇒ A dc series motor is coupled to a load whose torque is proportional to speed. It is fed by a single phase ac supply through a full converter. When speed is 500 rpm, firing angle is 45°. It is desired to raise the speed. It will be necessary to
decrease the firing angle
increase the firing angle
either decrease or increase the firing angle depending on the required speed
decrease the load torque
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DIMENSION BAT (30, 20)
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⇒ The circuit of figure give an output which
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an amplitude modulated signal
a phase modulated signal
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⇒ Impedance inversion may be obtained with
a short circuited stub
a quarter wave line
an open circuited stub
a half wave line
⇒ Which of the following can be used to convert PPM into PWM?
Integrator
Astable multivibrator
Bistable multivibrator
Monostable multivibrator
⇒ A voltage v = 5 + 50 sin ωt/ + 5 sin 5 &omegat is applied to a pure capacitor of capacitance 1 ωF. If f/= 314 rad/sec, current is
1 + 0.0157 cos 314 t + 0.00785 cos 1570 t
0.0157 cos 314 t + 0.00785 cos 1570 t
0.0157 sin 314 t + 0.00785 sin 1570 t
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⇒ A single phase half wave converter is used to charge a battery of 50 V. The thyristor is continuously fired by dc signal. Input voltage is v = V_{m} sin ωt. The thyristor will conduct
from 0 to 180°
when v > 50 V
from 0 to 90°
When v < 50 V
⇒ In a FM waveform, the side bands are spaced at intervals equal to
four times the modulating frequency
twice the modulating frequency
half the modulating frequency
modulating frequency
⇒ If all other parameters are the same, a capacitor with mica as dielectric has higher capacitance than air capacitor.
TRUE
FALSE
⇒ M circles are symmetrical with respect to
real and imaginary axis
M = 1 straight line and real axis
M = 1 straight line and imaginary axis
M = 1 straight line
⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm^{2}/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm