Traditional Culture Encyclopedia - Photography major - My house is in the attic on the top floor. There is a lightning rod. Is it safe?
My house is in the attic on the top floor. There is a lightning rod. Is it safe?
In thunderstorm weather, when charged clouds appear over high-rise buildings, lightning rods and the top of high-rise buildings will induce a lot of charges. Because the lightning rod is pointed, the tip of the conductor always collects the most charge when conducting electrostatic induction. In this way, the lightning rod collects most of the charge. The lightning rod and these charged clouds form a capacitor. Because it is pointed, that is, the two plates of this capacitor are opposite in a small area, and the capacitance is very small. In other words, it can hold very little charge, and it collects most of the charge. Therefore, when there is more charge on the clouds, the air between the lightning rod and the clouds will be easily broken down and become a conductor. In this way, the charged clouds and the lightning rod form a path, and the lightning rod is grounded. The lightning rod can conduct the charge on the clouds to the earth, so that it will not cause danger to high-rise buildings and ensure their safety. So it's safe inside, but.
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