问题
选择题
若有两个电阻R1、R2(R2>R1),设串联后的总电阻为R串,并联后的总电阻为R并,那么一定有( ) A.R串>R2>R1>R并 B.R并>R串>R2>R1 C.R串>R并>R1>R2 D.R串>R并>R2>R1 |
答案
答案:A
若有两个电阻R1、R2(R2>R1),设串联后的总电阻为R串,并联后的总电阻为R并,那么一定有( ) A.R串>R2>R1>R并 B.R并>R串>R2>R1 C.R串>R并>R1>R2 D.R串>R并>R2>R1 |
答案:A