VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesScienceQuestion
Question
Science

Which risk increases when the dielectric strength of a transmission line insulator is locally exceeded?

A)Increased signal propagation time
B)Decreased characteristic impedance
C)Arcing and subsequent flashover
D)Reduced magnetic field coupling

💡 Explanation

When the dielectric strength is locally exceeded, ionization of the air occurs, triggering avalanche breakdown which causes arcing and a flashover. Therefore, significant current flow occurs, rather than a gradual signal loss, because the insulator is compromised.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse Science