user-avatar
592371311452554
2 năm trước
1. Cho hai điện trở R1 và R2 mắc nối tiếp a)vẽ sơ đồ mạch điện b)cho R1= 5 ôm R2=10 ôm số chỉ ampe kế 0.2A .Tính điện trở tương đương toàn mạch và hiệu điện thế 2 đầu đoạn mạch theo 2 cách 2.cho R1 và R2 mắc // , mỗi R có 1 ampe kế để đó dòng điện chạy qua nó và 1 ampe kế trên mạch chính a) vẽ sơ đồ mạch điện b)cho R1=12 ôm R2=10 ôm hiệu điện thế 2 đầu nguồn điện là 12V tính cường độ dòng điện chạy qua mỗi điện trở tính điện trở tương đương toàn mạch 2 cách
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Bài 1. Khoanh tròn vào đáp án đúng 1. ……..time is the fireworks set off? A. what B. when C. how D. where 2.. …….did you learn Japanese? Because I love Japanese culture. A. when B. why C. what D. how 3. …….did you learn Japanese? I learned from radio programs. A. when B. why C. what D. how 4. ……helped you find your keys? My friend. A. when B. who C. which D. whose 5. ……..did you find your keys?A few minutes ago. A. when B. why C. what D. how 6. …..is the tallest person in your family? A. when B. who C. which D. whose 7. …..essay got the highest score? It’s Jim’s A. when B. who C. which D. whose 8. …..is it from your house to the festivals’venue? A. How far B. How long C. How often D. How many 9. ….people are there in your company? A. How many B. How long C. How often D. How much 10. …….is this table made of? It’s made of wood. A. how B. what C. whom D. which 11. ………have you lived here? A. How many B. How long C. How often D. How much 12. ……..do you visit your grandmother? Every weekend A. How many B. How long C. How often D. How much 13. ……..does this computer cost? A. How many B. How long C. How often D. How much 14. ……..did you begin teaching here? A. how long B. when C. where D. how much 15. …….did you use to go to school? I used to walk to school. A. how B. what C. whom D. which 16. …….does your father do? He’s an architect. A. how B. what C. whom D. which 17………don’t we go camping this weekend? A. when B. why C. what D. how 18. …….milk do you need? 2 litres A. How many B. How long C. How often D. How much 19. …..will how decorate your living room? I will decorate it with flowers. A. when B. why C. what D. how 20. ……dress do you like? I like the blue one. A. how B. what C. whom D. which

1. _______my friends works at home, I have to drive to work. A. While B. Like C. For example D. But 62. We love hiking,_______ we love going camping, too. A. and B. so C. for D. yet 63. He had enough money to buy a ticket; _______, he decided not to go. A. consequently B. nevertheless C. moreover D. because 64. He wanted to go with us; _______he packed his suitcase. A. so B. nevertheless C. because D. but 65. _______ I am in hurry, I bump into someone. A. Wherever B. Whenever C. However D. Whatever 66. It’s late; _______, it is raining cats and dogs. A. therefore B. nevertheless C. moreover D. however36 67. I didn’t have enough time; _______, I couldn’t go. A. nevertheless B. moreover C. therefore D. however 68. Sharon loves to go on roller coasters, _______she has a fear of heights. A. so B. for C. yet D. or 69. She has been working for eight hours; _______, she is tired. A. consequently B. however C. nevertheless D. because 70. She dressed the child in a heavy coat,_______ he should catch cold. A. because B. however C. therefore D. lest 71. Sophia ate a lot, ______she is still hungry. A. but B. so C. or D. and

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team