Q. The condition for maximum power in D.C motor is
A. Back emf (Eb) = Supply voltage (Vs)
B. Eb = 1/2 Vs
C. 1/2 Eb = Vs
D. Eb = 2 × Vs
Answer: Eb = 1/2 Vs
A. Back emf (Eb) = Supply voltage (Vs)
B. Eb = 1/2 Vs
C. 1/2 Eb = Vs
D. Eb = 2 × Vs
Answer: Eb = 1/2 Vs