Physics · Electromagnetic Induction
How are eddy currents effectively reduced in the core of electromagnetic devices?
- 1By making the core a solid mass of iron
- 2By using a core made of laminations without insulating varnish
- 3By using a core made of laminations coated with insulating varnish✓
- 4None of the above methods
Correct answer
By using a core made of laminations coated with insulating varnish
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