Khi hiệu điện thế giữa 2 đầu dây dẫn là 9V thì cường độ dòng điện chạy qua nó là 0,6A . Nếu hiệu điện thế tăng lên đến 18V thì cường độ dòng điện là bao nhiêu ?

I = 1,2A

I = 0,3A

I = 0,6A

Một kết quả khác

Fill in each blank with the correct preposition ( giới từ : in, at , on…..)

1. Are you interested ………………… learning foreign language?

2. We can live ………………… dormitory ………………… campus

3. What aspect………………… learning English do you find difficult?

4. Most of the girls are afraid of going out alone ………………… night

5. ………………… the first night of my stay in Paris, I could get to sleep

6. Tet Trung Thu is celebrated every year ………………… August 15th

7. She has known me ………………… ten years.

8. The boy looks very proud ………………… his success at school

9. I think it’s necessary ……………. students to wear uniforms when they are …………… school.

10. The park was named ………………… a young hero, Le Van Tam.

1/Lan enjoys watching television after dinner, ………………..?

2/Tam didn’t go to school everyday, ………………..?

3/They will buy a new computer, ………………..?

4/She can drink a lot of tomato juice everday, ………………..?

I. Choose the word in each group that has the underlined part pronounced differently from the rest:

      1. A. required                    B. opened                                C. solved                   D. worked

      2. A. bag                           B. face                                     C. pants                                                               D. fashion 

3. A. climate                     B. tropical                               C. official                                                       D. capital 

4. A. hit                             B. house                                  C. hour                                                           D. holiday

5. A. tide                           B. public                                 C. sight                                                           D. provide

      6. A. grade                        B. nature                                 C. exchange                                                          D. village                               

7. A. wants                        B. listens                                 C. looks                                                          D. develops

8. A. mother                      B. hobby                                 C. modern                                                      D. horror

9. A. apartment                 B. already                                C. across                                                        D. another

10. A. cough                     B. enough                                C. weigh                                                        D. laugh

11. A. thanks                     B. think                                   C. there                                                          D. three

12. A. measure                  B. Easter                                 C. each                                                          D. eager

13. A. group                      B. route                                   C. soup                                                          D. cousin

14. A. luggage                  B. pull                                     C. funny                                                        D. bulb

15. A. comic                     B. cotton                                 C. city                                                           D. computer                           

viết đoạn văn ngắn (khoảng10 dòng) nêu cảm nghĩ của em về 1 trong những nhân vật trong các văn bản đã học ở học kì I.Chú ý trong đoạn văn có sử dụng 1 lời dẫn trực tiếp(gạch dưới lời dẫn đó)