Control Systems
Accurate and reliable output is possible with which of the following system?

 Closed loop control system
None of these
 Open loop control system
 Both 1 and 2

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Control Systems
When deriving the transfer function of linear element

 initial conditions are assumed to be zero but loading is taken into account.
 initial conditions are assumed to be zero and the element is assumed to be not loaded.
 initial conditions are taken into account but the element is assumed to be not loaded.
 both initial conditions and loading are taken into account.

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