1593Electrical EngineeringMediumThe laminations of the armature of a D.C. machine are usually ________ thick?A0.3 to 0.4 mmB0.2 to 0.3 mmC0.1 to 0.2 mmD0.4 to 0.5 mm Correct answerD. 0.4 to 0.5 mm ExplanationThe correct answer is 0.4 to 0.5 mm.