单选题:在图示的电路中,L1、L2为两个规格完全相同的灯泡,电源的内阻可忽略.当滑动变阻器的触点在C点时,两个灯泡均能正常发光.

题目内容:
在图示的电路中,L1、L2为两个规格完全相同的灯泡,电源的内阻可忽略.当滑动变阻器的触点在C点时,两个灯泡均能正常发光.若将滑动变阻器的触点向b端移动,则(  )
A.
B.
C.
D.

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答案解析:

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