With the increase in speed of a dc motor
A. both back emf as well as line current increase.
B. both back emf as well as line current fall.
C. back emf increases but line current falls.
D. back emf falls and line current increases.
Answer:C
With the increase in speed of a dc motor
A. both back emf as well as line current increase. B. both back emf as well as line current fall. C. back emf increases but line current falls. D. back emf falls and line current increases.