The resistance of the armature in the motor shown in Fig. 33-2 is 2.30 . It draws
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The resistance of the armature in the motor shown in Fig. 33-2 is 2.30 Ω. It draws a current of 1.60 A when operating on 120 V. What is its back emf under these circumstances?
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Average torque = (Constant) |NIAB| Armature coil N Brush Rotating split-ring commutator Fig. 33-2 S Output shaft
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