Medium
Question 88
Keys: A–E choose an option.
More questions
- Which condition is most likely to reduce the dielectric strength of transformer oil?
- Which insulating material is obtained naturally in fibrous form and was historically used in electrical insulation?
- Which gaseous insulating material is normally available in the atmosphere?
- Which liquid is traditionally used for insulation and cooling in oil-filled transformers?
- Which property of an insulating material helps prevent leakage current?