When the ratio of back E.MF to applied voltage is _____ than the mechanical power developed by the shunt generator is maximum?
When the ratio of back E.MF to applied voltage is _____ than the mechanical power developed by the shunt generator is maximum?
Right Answer is:
0.5
SOLUTION
Maximum power in DC motor is generated when
Eb = 1/2 Vs
Eb/Vs =0.5