Hi, I'm Mary. I'm a pupil. I usually get up at six on weekdays. I have tea and bread for breakfast. I have two friends. One is Lucy and the other is Lily. Lucy often gets up at six thirty. She likes bread and milk. But Lily likes hamburgers and tea. She doesn't like milk at all.

阅读材料并回答问题

材料一：“秦孝公用商鞅，坏井田，开阡陌，准许土地自由买卖。” ──引自《汉书》

材料二：“努力种田织布的人可以免除徭役；在战争中立下军功的人按功劳大小封爵、授田、赐宅，废除没有军功的贵族的特权。”──引自岳麓书社《中国历史》七年级上册

材料三：孝公用商鞅之法，移风易俗，民以殷盛，国以富强，百姓乐用，诸侯亲服。获楚魏之师，举地千里，至今至强。──引自李斯《谏逐客书》

请回答：

如图所示的电路，闭合开关S₁和S₂后，下列分析正确的是（）