The condition for maximum power in case of D.C. motor is______________?

A. back e.m.f. = 2 x supply voltage

B. back e.m.f. = | x supply voltageCorrect Answer

C. supply voltage = | x back e.m.f

D. supply voltage = back e.m.f

Correct Option: B. back e.m.f. = | x supply voltage

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