When the ratio of back E.MF to applied voltage is _______ than the mechanical power develop by the shunt generator is maximum?

When the ratio of back E.MF to applied voltage is _______ than the mechanical power develop 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

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