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Torque developed by the armature of a dc motor is proportional to which one of the following? | |
A. | (Back emf) x (Armature current). [Wrong Answer] |
B. | (Magnetic flux per pole) x (Armature current). [Correct Answer] |
C. | (Back emf) x (Magnetic flux per pole). [Wrong Answer] |
D. | (Back emf) / (Magnetic flux per pole). [Wrong Answer] |