1.

When a constant power output is desired to maintain ________

A. Ef*sinδ and Ia*cosθ are to be maintained constant
B. Ef*sinδ is be maintained constant
C. Ia*cosθ is to be maintained constant
D. Ef*sinδ and Ia*sinθ are to be maintained constant
Answer» B. Ef*sinδ is be maintained constant


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