The transformer lamination's are insulated from each other by____________?
Correct answer: B. thin coat of varnish
- A. mica strip
- B. thin coat of varnish
- C. paper
- D. any of the above
Explanation
Transformer laminations are coated with a thin insulating varnish before assembly. This breaks the path for circulating eddy currents while still allowing the laminations to form a magnetic core.
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