Physics · Electrical Insulation
Why is insulating varnish coating commonly applied to electrical motor and transformer windings?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To increase electrical resistance of the conductors
- 2To provide additional electrical insulation and moisture protection✓
- 3To increase magnetic permeability
- 4To increase thermal conductivity
Correct answer
To provide additional electrical insulation and moisture protection
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