In case-the conditions for maximum power for a D.C. motor are established,the efficiency of the motor will be
A)100%
B)around 90%
C)anywhere between 75% and 90%
D)less than 50%

Question

Quizplus · Accepted Answer

When the conditions for maximum power are established for a D.C. motor, it operates at a point where it is far from its most efficient operating point. Maximum power is achieved at the expense of efficiency, leading to a significant amount of power being lost as heat, resulting in an efficiency of less than 50%.

In Case-The Conditions for Maximum Power for a D