What is the reason for static dischargers on aircraft?

Question

Question PPL(H) - Private Pilot License - Aircraft General Knowledge

QuizVDS · Accepted Answer

To discharge static charging during flight

QuizVDS · Answer

To improve the quality of radio transmission in high altitudes

QuizVDS · Answer

To ensure grounding during refueling

QuizVDS · Answer

To eliminate electrical interferences during intensive radio traffic

Id 122 - PPL(H) EN - What is the reason for static dischargers on aircraft?