The dielectric strength of impregnated papers is about

The dielectric strength of impregnated papers is about 

 (a) 20 kV/mm (b) 30 kV/mm (c) 15 kV/mm (d) 5 kV/mm 
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1 Answer

Answer :

The dielectric strength of impregnated papers is about 30 kV/mm

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