What material is typically used to separate the thin sheets of iron in a laminated transformer core to prevent eddy currents?
Answer
Insulating material like paper or varnish
To prevent eddy currents from flowing between the iron sheets in a laminated core, the sheets must be electrically isolated from one another. Thin layers of insulation, such as paper or varnish, provide the necessary electrical break that stops these circulating parasitic currents while still allowing the magnetic core to function effectively.
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