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. High frequency transformers
• B. Armature of small motors/generators
• C. Induction motors
• D. Generators and small motors

Answer: (A)