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Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ? | |
A. | Armature of small motors/generators. [Wrong Answer] |
B. | Generators and small motors. [Wrong Answer] |
C. | Induction motors. [Wrong Answer] |
D. | High frequency transformers. [Correct Answer] |