MCQOPTIONS
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MCQOPTIONS
| 1. |
In case of DC servomotor, the back emf is equivalent to an electric friction which tends to: |
| A. | tSlowly decrease the stability of the system |
| B. | tImprove stability of the system |
| C. | tVery rapidly decrease the stability of the system |
| D. | tHave no effect of stability |
| Answer» C. tVery rapidly decrease the stability of the system | |