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| Q. |
Which one of the following methods can determine the closed loop system resonance frequency operation? |
| A. | root locus method |
| B. | nyquist method |
| C. | bode plot |
| D. | m and n circle |
| Answer» D. m and n circle | |
| Explanation: closed loop system resonance frequency is the frequency at which maximum peak occurs and this frequency of operation can best be determined with the help of m and n circle. | |
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