user-avatar
nvlinhanhgdth
2 năm trước
Cho mạch điện gồm: 1 nguồn điện; 1 khoá K đóng; 2 đèn: Đ1, Đ2 mắc nối tiếp nhau. a) Vẽ sơ đồ mạch điện và đánh dấu mũi tên chỉ chiều dòng điện? b) Biết cường độ dòng điện chạy qua đèn Đ1 là I1 = 1,5A . Hỏi cường độ dòng điện qua đèn Đ2 là I2 và I toàn mạch là bao nhiêu ?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

hết điểm r thôi giúp mk 1. If__________(the weather/be) beautiful tomorrow, ____________(we/drive) tothe beach. 2. If ___________ (she/send) the letter now, ____________ (they/receive) ittomorrow. 3. ____________ (Fred/be) angry if ___________ (Jack/arrive) late again. 4. ______________ (I/come) to your house if ________(I/have) enough time. 5. If ____________ (she/not/pass) this exam, ____________ (she/not/get) the job that she wants. 6. _______________ (you/learn) a lot if _____________ (you/take) this course. 7. If ____________ (I/get) a ticket, ________________(I/go) to the cinema. 8. ____________ (I/buy) that machine if _______________(it/not/cost) too much. 9. ____________ (you/run) very fast, ______________ (you/catch) the taxi. 10. __________(I/go) to the doctor's if ____________ (I/not/feel) better tomorrow. 11.______________ (they/win) this match, ___________ (they/be) the champions.

22. A Teenagers nowadays often have their own idols who they really love and imitate_____________ different ways. A. at B. with C. in D. on 23. How much did you pay _________ your hat? A. for B. with C. from D. about 24. My parents gave me an ipod __________ my birthday. A. for B. with C. without D. from 25. I really hate the kind of person who is always __________ about little things. A. worried B. satisfied C. doing a lot D. making a fuss 26. I don’t like that man. There is a sneaky look on his face. A. furious B. humorous C. dishonest D. guilty 27. I felt my face burning with __________. A. embarrassment B. confidence C. pleasure D. enthusiasm 28. I believed that everyone has had __________ experiences in their life. A. memorable B. observable C. acceptable D. forgettable 29. I had a glance at the article, but I haven’t read it yet. A. close look B. quick look C. direct look D. Furtive look 30. He rose from his chair and __________ her warmly. A. protected B. replaced C. embraced D. Appreciated 31. She has always wanted a new hat __________ the one her favorite singer wore in one of her video clips. A. similar B. like C. as D. the same 32. – “Hello Christina, welcome to our programme.” - “ ________________.” A. Hello and thank you! It’s nice being with you. B. Don’t mention it. Talk to you later. C. Hello. Catch you later. D. You’re welcome. It’s nice being with you. 33. – “Did the experience affect you in any way?” - “ ________________.” A. Yes, they did. B. Oh, yes. Yes, very much, in fact. C. Thanks. You’re nice to say so. D. Nothing happened. Giải thích hộ em nữa ạ

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