You have just built a house out in the country and it comes to your attention that you need to install a lightning rod. Being naturally curious you ask a hardware salesperson how lightning rods work and they correctly tell you that
A) they attract lightning.
B) they repel lightning.
C) they use corona discharge to bleed off local charge accumulations.
D) they use electrostatic precipitation to remove excess charge from the air.

Question

Quizplus · Accepted Answer

Lightning rods work by using corona discharge to gradually neutralize the charge difference between the ground and the clouds, reducing the likelihood of a direct lightning strike.

You Have Just Built a House Out in the Country