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

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

Q. 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 voltage

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

D.            supply voltage = back e.m.f.

Answer: back e.m.f. = | x supply voltage

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