MCQOPTIONS
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				| 1. | 
                                    A unity-feedback control system has the open loop transfer function . If the input system is a unit ramp, the steady state error will be | 
                            
| A. | 0 | 
| B. | 0.5 | 
| C. | 2 | 
| D. | infinity | 
| Answer» D. infinity | |