A typical commercial jet has a sharpened metal rod projecting backward from the tip of each wing. These two rods prevent the airplane from accumulating a large net electric charge during flight by
A) reducing sliding friction between the airplane and the passing air stream.
B) transferring any charge on the plane to the air behind the plane.
C) maintaining a steady electric current between the airplane's wings.
D) generating high voltages while passing quickly through the earth's magnetic field.

Question

Quizplus · Accepted Answer

The rods on the wings of an airplane are static discharge wicks. They help in transferring any accumulated static charge from the airplane to the air, preventing the buildup of a large net electric charge during flight. This process is essential for reducing radio interference and preventing potential damage from static electricity.

A Typical Commercial Jet Has a Sharpened Metal Rod Projecting