QUESTION IMAGE
Question
what should be avoided during electrical storms?
going close to open flames
touching metal objects
driving vehicles
using a phone
Brief Explanations
在电闪雷鸣的暴风雨天气(electrical storms)中,金属物体(metal objects)容易导电,触摸金属物体可能会使雷电电流传导到人体,从而造成危险。而靠近明火(open flames)主要是防火相关,在电风暴中不是主要避免事项;车辆一般有金属外壳可起到静电屏蔽(类似法拉第笼原理),在车内相对安全(不是在车外接触车辆金属部分等危险行为的话);使用手机(一般是户外空旷处使用手机有一定引雷风险,但相比触摸金属物体,触摸金属物体在电风暴中更直接危险,因为金属是良好导体,雷电更易通过金属传导)。
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touching metal objects