The mechanical output available at the dc motor shaft is equal to
A. electrical power input to motor.
B. electrical power input less iron and friction losses.
C. electrical power input less copper losses.
D. electrical power input less total losses (copper loss, iron loss, friction and windage losses).
Answer:D
The mechanical output available at the dc motor shaft is equal to
A. electrical power input to motor. B. electrical power input less iron and friction losses. C. electrical power input less copper losses. D. electrical power input less total losses (copper loss, iron loss, friction and windage losses).