MCQOPTIONS
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MCQOPTIONS
| 1. |
The frequency of sustained oscillation for marginal stability, for a control system \(G\left( s \right)H\left( s \right) = \frac{{2K}}{{s\left( {s + 1} \right)\left( {s + 5} \right)}}\) and operating with negative feedback, is |
| A. | √5 r/s |
| B. | √6 r/s |
| C. | 5 r/s |
| D. | 6 r/s |
| Answer» B. √6 r/s | |