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荧光灯关闭后为什么还会闪烁

更新时间: 2020-09-22 00:00:00     

荧光灯因为内阻较大,而点燃过后,因为温度比较高,当开关的绝缘性能不是很好时,灯管的两端会产生220V的电压,而当温度较高时,灯管很容易激发电子,也就是点亮,只是点亮后两端的电压马上下降,所以又会熄灭,周而复始,就是看起来一闪一闪的。

关键词: 荧光灯 关闭 为什么 闪烁

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