The dielectric strength of polyethylene napthalate is HomeCapacitor MCQsThe dielectric strength of polyethylene napthalate is Share your love WhatsApp Facebook Telegram Twitter Pinterest Q. The dielectric strength of polyethylene napthalate is A. 500V/µm B. 780V/µm C. 880V/µm D. 980V/µm Answer: 500V/µm