摘要:C.4瓦.33.3% D.4瓦.66.7%
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如图所示,直线A为电源的路端电压与总电流关系的图线,直线B为电阻R两端电压与通过该电阻电流关系的图线,用该电源和该电阻组成闭合电路时,电源的输出功率和效率分别是
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A.2瓦,66.7%
B.2瓦,33.3%
C.4瓦,33.3%
D.4瓦,66.7%
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B.2瓦,33.3%
C.4瓦,33.3%
D.4瓦,66.7%
如图所示,直线A为电源的路端电压与总电流关系的图线,直线B为电阻R两端电压与通过该电阻电流关系的图线,用该电源和该电阻组成闭合电路时,电源的输出功率和效率分别是( )
A.2瓦,66.7%
B.2瓦,33.3%
C.4瓦,33.3%
D.4瓦,66.7%
查看习题详情和答案>>如图所示,直线A为电源的路端电压与总电流关系的伏安图线,直线B为电阻R两端电压与通过该电阻 流关系的伏安图线,用该电源和该电阻组成闭合电路,电源的输出功率和效率分别是:
A.2瓦,66.7% B.2瓦,33.3%
C.4瓦,33.3% .D.4瓦,66.7%
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