## Que. | ## a DC motor devolves the maximum mechanical power when the armature current is such that |

- A. the back EMF is equal to three fourth of the applied EMF
- B. the back EMF is equal to one half of the applied EMF
- C. the back EMF is equal to one fourth of the Palladium
- D. the back EMF is equal to two-third of the applied EMF

Right Answer is :

##### ✓ B. the back EMF is equal to one half of the applied EMF

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