如图所示,闭合开关S后,A灯与B灯均发光,当滑动变阻器的滑片P向

如图所示,闭合开关S后,A灯与B灯均发光,当滑动变阻器的滑片P向左滑动时,以下说法中正确的是(  )

AA灯变亮

BB灯变亮

C.电源的输出功率可能减小

D.电源的总功率增大

答案

AC

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