Straight silicon steel (containing Si from 0.5 to 5%) because of their low hyste

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Question

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%)?

Options:

A . Armature of small motors/generators

B . Generators and small motors

C . Induction motors

D . High frequency transformers

Answer: Option D

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