如图所示,小灯泡L上标有“6V 0.5A”字样.闭合开关,小灯泡正常发光,电流表的示数为l.5 A.求:(1)小灯泡L正常发光时灯丝的电阻;(2)定值电阻R0的阻值;(3)通电1 min电路消耗的总电能.
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![如图所示,小灯泡L上标有“6V 0.5A”字样.闭合开关,小灯泡正常发光,电流表的示数为l.5 A.求:(1)小灯泡L正常发光时灯丝的电阻;(2)定值电阻R0的阻值;(3)通电1 min电路消耗的总电能.](/uploads/image/z/4608595-19-5.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%B0%8F%E7%81%AF%E6%B3%A1L%E4%B8%8A%E6%A0%87%E6%9C%89%E2%80%9C6V+0.5A%E2%80%9D%E5%AD%97%E6%A0%B7.%E9%97%AD%E5%90%88%E5%BC%80%E5%85%B3%2C%E5%B0%8F%E7%81%AF%E6%B3%A1%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%2C%E7%94%B5%E6%B5%81%E8%A1%A8%E7%9A%84%E7%A4%BA%E6%95%B0%E4%B8%BAl.5+A%EF%BC%8E%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E5%B0%8F%E7%81%AF%E6%B3%A1L%E6%AD%A3%E5%B8%B8%E5%8F%91%E5%85%89%E6%97%B6%E7%81%AF%E4%B8%9D%E7%9A%84%E7%94%B5%E9%98%BB%EF%BC%9B%EF%BC%882%EF%BC%89%E5%AE%9A%E5%80%BC%E7%94%B5%E9%98%BBR0%E7%9A%84%E9%98%BB%E5%80%BC%EF%BC%9B%EF%BC%883%EF%BC%89%E9%80%9A%E7%94%B51+min%E7%94%B5%E8%B7%AF%E6%B6%88%E8%80%97%E7%9A%84%E6%80%BB%E7%94%B5%E8%83%BD%EF%BC%8E)
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