 
			 
			MCQOPTIONS
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				| 1. | The open loop transfer function of a system is :G(s) H(s) =K/ (1+s) (1+2s) (1+3s) | 
| A. | nThe phase crossover frequency wpc is: | 
| B. | 2 | 
| C. | 1 | 
| D. | Zero | 
| E. | 3 | 
| Answer» C. 1 | |