如图,电源的电动势为E,内电阻为r,三个电阻的阻值均为2r。现闭合开关S,则电阻A消耗的电功率为()

如图,电源的电动势为E,内电阻为r,三个电阻的阻值均为2r。现闭合开关S,则电阻A消耗的电功率为()

查看答案

一定质量的理想气体,在保持体积不变的过程中吸收热量,则气体的()

一定质量的理想气体,在保持体积不变的过程中吸收热量,则气体的()

查看答案

Heahh care experts have long drawn attention to the problems of eating too much

Heahh care experts have long drawn attention to the problems of eating too much sah.There isstrong e

查看答案

Sweden is aiming for a zero-waste society. This takes the country' s recycling r

Sweden is aiming for a zero-waste society. This takes the country' s recycling revolution one stepfu

查看答案

简述生产力和生产关系的辩证关系。

简述生产力和生产关系的辩证关系。

查看答案