如图所示的电路，闭合开关S，滑动变阻器滑片P向左移动，下列结论正确的是( )

题干

A：电流表读数变小，电压表读数变大

B：小电泡L变亮

C：电容器C上电荷量减小

D：电源的总功率变大

上一题下一题 0.0难度选择题更新时间:2016-11-29 01:43:54

A

This Sunday is grandpa's birthday. The Smith family are going to celebrate it at home, so they will have a busy weekend.

Saturday
Morning	Dad-clean the car in the garden Mum-clean the kitchen and bedrooms of their house Amy-have dance lessons in the gym Rose--work on science projects in the library
Afternoon	Mum and Dad-buy some food at the supermarket Amy and Rose-choose gifts and cards for grandpa
Evening	Watch TV together
Sunday
Morning		Mum---make a big birthday cake Amy and Rose-wrap grandpa's gifts
Afternoon		Amy-help Mum cook delicious food Rose-help Dad decorate the sitting room
Evening		Amy and Rose-give gifts to grandpa The whole family-have a party

根据表格所提供信息，从每小题所给的A、B、C三个选项中，选出一个最佳答案。