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Control Systems
A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as
e-t.
e-tu(t).
etu(t).
et.
e-t.
e-tu(t).
etu(t).
et.
Answer
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Related Question
Control Systems
The maximum phase lag occurs at the ------------------- of the two corner frequencies?
arithmetic mean
geometric mean
None of these
either 1 or 2
arithmetic mean
geometric mean
None of these
either 1 or 2
Answer
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Control Systems
Find the stability for the following transfer function G(s) = 50/s(s+5) ?
Stable
Marginally stable
Unstable
Critically stable
Stable
Marginally stable
Unstable
Critically stable
Answer
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Control Systems
When the system gain is doubled the gain margin becomes?
1/2 times
2 times
None of these
Remains unaffected
1/2 times
2 times
None of these
Remains unaffected
Answer
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Control Systems
Sparking between the contacts can be reduced by inserting
a capacitor in parallel with the contacts.
a resistor in the line.
a reactor in the line.
a capacitor in series with the contacts.
a capacitor in parallel with the contacts.
a resistor in the line.
a reactor in the line.
a capacitor in series with the contacts.
Answer
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Control Systems
Time taken for the response to rise from zero to 100 % for very first time is called
Peak time.
Settling time.
Rise time.
Delay time.
Peak time.
Settling time.
Rise time.
Delay time.
Answer
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