[請益] 為什燈不亮時先開大燈就會亮?
這問題我記得也有人問過 但答案是什忘記了
例如書桌的日光燈 或是其它開了不會立刻亮的燈
這時只要先開其它大燈 那麼本來要等燈就會立刻亮起來
這是有什麼感應嗎?怎麼有點像人會傳染哈欠的感覺
thanks
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