user-avatar
ngodamnhatanh
2 năm trước
1 Nguồn điện gồm 2 pin mắc nối tiếp, 2 bóng đèn Đ1 và Đ2, 1 khoá K thoả mãn điều kiện +Khi K mở cả 2 đèn đều sáng +Khi K đóng chỉ có đèn Đ1 sáng 2 Nguồn điện, dây đàn, 2 bóng đèn Đ1 và Đ2, 3 khoá K1, K2,K3 thoả mãn điều kiện sau +Khi K1 đóng ; K2; K3 mở thì chỉ có đèn Đ1 sáng +Khi K2 đóng; K1;K3 mở thì chỉ có đèn Đ2 sáng +Khi K1 K2 K3 cùng đóng thì 2 đèn đều sáng Giúp mk nhé, nhất định mk sẽ đánh giá 5 vote
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Question 1. Dogs are ______ than buffaloes. A. intelligenter B. more intelligent C. smart D. more smarter Question 2. Coco thinks life in the countryside is _______that in the city. A. boringer B. excited C. more boring D. more excited Question 3. In the country, streets are generally _________than those in the city. A. more narrow B. narrower C. narrow D. narrowing Question 4. Urban areas are ______ than rural areas. A. more busy B. busyer C. busier D. more busier Question 5. Julie lives in the countryside. She's a little ______ than her friends. A. quieter B. more quiet C. noisy D. more noisy Question 6. Nguyen thinks city life is much _________. A. more interesting B. interestinger C. interested D. more interested Question 7. My garden is a lot _______than this park. A. colourfuler B. colourful C. less colour D. more colourful Question 8. It is amazing. His house is much _______ than a hotel. A. comfortabler B. comfortable C. comfort D. more comfortable Question 9. He seems to be ________ than we thought. A. more quick B. more quickly C. quicklier D. quicker Question 10. Is living in the city ________ than living in the country? A. more convenient B. as convenient C. most convenient D. so Question 11. Harvesting the rice is much ______ than drying the rice. A. more harder B. more hardly C. hardlier D. harder Question 12. In my opinion, country people are _______ than city people. A. more friendly B. friendlier C. more friendlier D. both A&B Question 13. A village is often _____ than a city. A. more densely populated B. less densely populated C. more densely populating D. less densely populating Question 14. Medical help is ______ easily obtained in remote areas than in towns. A. more B. fewer C. less D. higher Question 15. He seems to be ________ than he did yesterday. A. more quick B. more quickly C. quicklier D. quicker

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