问题
选择题
导体的电阻是4Ω,在120s内通过导体横截面的电荷量是480C,这时加在导体两端的电压是( ) A.960V B.16V C.1V D.60V |
答案
答案:B
导体的电阻是4Ω,在120s内通过导体横截面的电荷量是480C,这时加在导体两端的电压是( ) A.960V B.16V C.1V D.60V |
答案:B
根据短文内容,完成下列两张卡片。 |
Hello! My name is Jim. I am a student. There are three people in my family --my |
Name: Samuel Han |
Age: __1__ |
Job: doctor |
Likes the job?__2__ |
Starts at: __3__ |
Finishes at: eight in the evening. |
Name: Amy |
Age: 39. |
Job: __4__ |
Likes the job? Yes |
Starts at: seven in the morning |
Finishes at: __5__ |