题目

将两只标有“10Ω，0.1W”和“10Ω，0.4W”字样的电阻，当它们串联时，允许加的总电压为______V，它们并联时允许通过的最大电流是______A。  答案：2V ，0.2A  解析:略 Miss White likes shopping and she buys ________ clothes and bags.A. lot of B. lots of C. much D. very much