Dùng dây dẫn bằng đồng có điện trở suất là 1.7.10-8om.m để tải điện trên đoạn đường dài 500km.Tính công suất hao phí do tỏa nhiệt trên đường dây dẫn đó,biết cđdđ chạy qua dây dẫn đó là 200A ,tiết diện của dây là 42.5cm2

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EXERCISE - FORM 9 I. Rearrangement: 1. live apart/ family members/ try to be/ who/ together at Tet  Family members____________________________________________________. 2. celebration/ is/ the Lunar New Year holiday/ for Vietnamese people/ the most important. The Lunar New Year holiday___________________________________________. 3. freedom/ people/ on this festival, / from slavery/ celebrate On _______________________________________________________________. 4. in/ all Jewish people/ is celebrated/ Israel/ this festival/ and by This festival _______________________________________________________. 5. which/ a joyful festival/ is/ in many countries/ Easter/ is celebrated Easter ____________________________________________________________. 6. young children/ or sugar eggs/ chocolate/ on/ receive/ Easter Day, On _______________________________________________________________. 7. as/the town charity program/ Tuan/ the most effective activist/has been nominated/ in Tuan _____________________________________________________________. 8. a hug, / wanted to let/ you gave me/ and the feeling/ that you never/ me go.  You gave me________________________________________________________. 9. tell you/ is/ in the world/ I must/ the best person/ my dad I must_____________________________________________________________. 10. distinguishes him/ his/ others/ sense of humor/ from His _______________________________________________________________. II. Transformation 1. They played well , but they didn’t win the match. Though________________________________________________________. 2. She was hungry, but she didn’t want to eat fast food. Although______________________________________________________. 3. I enjoyed the film. The story was silly. Even though____________________________________________________. 4. Although I worked until midnight. I didn’t feel tired.  Despite _______________________________________________________. 5. Though it was raining, we enjoyed our holiday. In spite of______________________________________________________. 6. The policeman was friendly. He gave me directions.  The policeman__________________________________________________. 7. The information helped me a lot. I found it on the Internet.  The information_________________________________________________. 8. The postcard is from Hariet. It came this morning.  The postcard ____________________________________________________. 9. The man is a computer expert. You were talking to him.  The man________________________________________________________. 10. He thanked the woman.She helped him last night.  He thanked________________________________________________________.