MCQOPTIONS
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MCQOPTIONS
| 1. |
In a doubly excited magnetic systems, the magnetic torques and forces act in such a direction as to tend to ___________ |
| A. | decrease the field energy at constant currents |
| B. | decrease the field co-energy at constant currents |
| C. | increase the field energy at constant currents |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |