Automatic Control Systems
Which of the following is open loop system?

Respiratory system of animal
Wind screen wiper
Aqualing
System for controlling antirocket missiles

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Automatic Control Systems
A lag compensator

Speeds up the transient response of the system
Improves steady state behavior of the system
Improves steady state behavior and speeds up the transient response of the system
Improves steady state behavior and preserves the transient response of the system

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