Q. The speed of a dc motor is
A. Always constant
B. Directly proportional to back emf
C. Directly proportional to flux
D. Inversely proportional to the product of back emf and flux
Answer: Directly proportional to back emf
A. Always constant
B. Directly proportional to back emf
C. Directly proportional to flux
D. Inversely proportional to the product of back emf and flux
Answer: Directly proportional to back emf