MCQOPTIONS
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				| 1. | 
                                    Assertion (A): When the performance of a stable second order system is improved by a PID controller, the system may become unstable.Reason (R): PID controller increases the order of the system to 3. | 
                            
| A. | Both A and R are correct and R is correct explanation of A | 
| B. | Both A and R are correct but R is not correct explanation of A | 
| C. | A is correct but R is wrong | 
| D. | R is correct but A is wrong | 
| Answer» B. Both A and R are correct but R is not correct explanation of A | |