user-avatar
hiendao20
2 năm trước
`1.` Hãy vẽ sơ đồ mạch điện gồm: nguồn điện , hai bóng đèn `Đ_1, Đ_2` và `1` công tắc khóa `K` thỏa mãn yêu cầu sau: Khi `K` mở thì hai đèn đều sáng , khi `K` đóng thì chỉ có `1` đèn sáng. `2.` Hãy vẽ sơ đồ mạch điện gồm: nguồn điện , hai bóng đèn `Đ_1, Đ_2` và `2` công tắc `K_1; K_2` thỏa mãn yêu cầu: Khi `2` khóa `K` mở thì hai đèn đều sáng , khi `2` khóa `K` đóng thì hai đèn đều tắt , khi `K_1` đóng thì đèn `Đ_2` sáng , khi `K_2` đóng thì đèn `Đ_1` sáng. `3.` Có `3` bóng đèn giống nhau và `1` bộ nguồn điện có hiệu điện thế bằng số vôn ghi trên mỗi bóng đèn. Hãy vẽ sơ đồ mạch điện và cho biết độ sáng của các đèn trong mỗi mạch điện đó như thế nào? Help mi~~
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Question 02. After the historic meeting in Singapore, Kim Jong-un and Donald Trump met each other in Ha Noi last week. A. important B. chance C. insignificant D. accidental Question 03. His opponents have no intention of letting him off the hook until he agrees to leave office immediately. A. out of order B. out of trouble C. out of stock D. out of date Question 04. In the 1960s, the World Health Organization (WHO) began a campaign to get rid of the mosquitoes that transmit the disease malaria. A. minimize B. develop C. eradicate D. appreciate Question 05. He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May. A. politeness B. rudeness C. encouragement D. measurement Question 06. The members of the orchestra have arrived an hour prior to the performance for a short rehearsal. A. after B. while C. when D. before Question 07. One U.S. dollar is comparable to 131 Japanese yen according to the finance news report yesterday. A. entitled B. compatible C. compact D. equal Question 08. The government must be able to prevent a deter threats to our homeland as well as detect impending danger before attacks or incidents occur. A. irrefutable B. imminent C. formidable D. absolute Question 09. I’m sorry I can’t go to the movies with you this weekend - I’m up to my ears in work. A. very busy B. very bored C. very scared D. very idle Question 10. The government has rejected the project of improving the service system because of its white elephant cost. A. denied B. proposed C. discarded D. selected Question 11. The people are doing their duties with precision. A. plans B. achievements C. responsibilities D. expectations Question 12. When the laser strikes the chemicals, it releases a form of oxygen that kills cancer cells. A. gives out B. contains C. vaporizes D. omits Question 13. When I was a child I always looked up to my father. He was a real role model for me. A. understood B. liked C. trusted D. admired Question 14. Our team must develop a new strategy in order to deal with the serious problem. A. expand B. grow C. arise D. invent Question 15. The whole village was wiped out in the bombing raids. A. changed completely B. removed quickly C. destroyed completely D. cleaned well Question 16. I have been fortunate enough to visit many parts of the world as a lecturer. A. hateful B. lucky C. hard D. poor Question 17. We were pretty disappointed with the quality of the food. A. highly B. rather C. extremely D. very Question 18. With the dawn of space exploration, the notion that atmospheric conditions on Earth may be unique in the solar system was strengthened. A. beginning B. continuation C. outcome D. expansion Question 19. The lost Inkers stayed alive by eating wild berries and drinking spring water. A. surprised B. survived C. connived D. revived Question 20. I am thankful for my wife, who vowed to be my biggest fan on the day we were married and has never once let me down. A. grateful B. passionate C. supportive D. kind

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