Blogtrottr Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 發問中 Impart your knowledge.Learn how to start a business by offering an online course. Signup for our ebook today. From our sponsors 開關S 為 OFF 狀 態 是否全部半亮@.@ Oct 18th 2013, 07:52 [unable to retrieve full-text content]如下圖所示 R1 及 R2 均為 110V 60W 之電燈，當電源為 110V 時，而開關S 為 OFF 狀態是否全部半亮? https://docs.google.com/file/d/0BxohWDZwfY5UZXBlcDUzejRVU3M/edit?usp=sharing... You are receiving this email because you subscribed to this feed at blogtrottr.com. If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions...
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