甲乙两只白炽灯的铭牌如图所示A甲灯丝比乙灯细B两灯丝正常发光时,甲灯所消耗的电能较少C两灯都正常发光时,甲灯电阻小于乙灯电阻D两灯串联后,接在220V电路中,甲灯比乙灯暗
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![甲乙两只白炽灯的铭牌如图所示A甲灯丝比乙灯细B两灯丝正常发光时,甲灯所消耗的电能较少C两灯都正常发光时,甲灯电阻小于乙灯电阻D两灯串联后,接在220V电路中,甲灯比乙灯暗](/uploads/image/z/12597127-7-7.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E5%8F%AA%E7%99%BD%E7%82%BD%E7%81%AF%E7%9A%84%E9%93%AD%E7%89%8C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BAA%E7%94%B2%E7%81%AF%E4%B8%9D%E6%AF%94%E4%B9%99%E7%81%AF%E7%BB%86B%E4%B8%A4%E7%81%AF%E4%B8%9D%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%E6%97%B6%2C%E7%94%B2%E7%81%AF%E6%89%80%E6%B6%88%E8%80%97%E7%9A%84%E7%94%B5%E8%83%BD%E8%BE%83%E5%B0%91C%E4%B8%A4%E7%81%AF%E9%83%BD%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%E6%97%B6%2C%E7%94%B2%E7%81%AF%E7%94%B5%E9%98%BB%E5%B0%8F%E4%BA%8E%E4%B9%99%E7%81%AF%E7%94%B5%E9%98%BBD%E4%B8%A4%E7%81%AF%E4%B8%B2%E8%81%94%E5%90%8E%2C%E6%8E%A5%E5%9C%A8220V%E7%94%B5%E8%B7%AF%E4%B8%AD%2C%E7%94%B2%E7%81%AF%E6%AF%94%E4%B9%99%E7%81%AF%E6%9A%97)
甲乙两只白炽灯的铭牌如图所示A甲灯丝比乙灯细B两灯丝正常发光时,甲灯所消耗的电能较少C两灯都正常发光时,甲灯电阻小于乙灯电阻D两灯串联后,接在220V电路中,甲灯比乙灯暗
甲乙两只白炽灯的铭牌如图所示
A甲灯丝比乙灯细
B两灯丝正常发光时,甲灯所消耗的电能较少
C两灯都正常发光时,甲灯电阻小于乙灯电阻
D两灯串联后,接在220V电路中,甲灯比乙灯暗
甲乙两只白炽灯的铭牌如图所示A甲灯丝比乙灯细B两灯丝正常发光时,甲灯所消耗的电能较少C两灯都正常发光时,甲灯电阻小于乙灯电阻D两灯串联后,接在220V电路中,甲灯比乙灯暗
甲 电阻大 ,所以灯丝细,这是对的
B 也对
C 错
D 对