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Control Systems

Control Systems
Electrical analogous quantity for spring element (K) in force-voltage analogy is

 1/C
 L
 R
 C

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Control Systems
Which of the following is the electrical analogous element for displacement in force-voltage analogy?

 Charge.
 Current.
 Flux.
 Voltage.

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Control Systems
The graph of an electrical network has N nodes and B branches. The number of links, L with respect to the choice of a tree, is given by

 N - 2B - 1.
 B + N.
 N - B + 1.
  B - N + 1.

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Control Systems
Resonant peak of a marginally stable system is

 finite value
 0
 infinite
 any of the above

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Control Systems
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?

  2.5 Volt.
 2.0 Volt.
 1.5 Volt.
  1.0 Volt.

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Control Systems
The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become

 0.707
 zero
 unity
 infinite

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