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