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
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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