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2009年高考试题(浙江卷)第22题第二小题是:某同学从标称为“220V 25W”、“220V 300W”、“220V 500W”的三只灯泡中任选一只,正确使用多用电表测量灯泡阻值如图(图
2009 college entrance examination examination questions (Zhejiang volume) the second question is the 22nd question: a classmate from the nominal “220V 25W ”, “220V300W ”, “220V500W ” of the three light bulb A correct use of multimeter light bulb resistance measurement (Figure