Ôn tập chương 4: Đồ dùng điện trong gia đình

Home Lớp 6 Công nghệ 6 - Sách kết nối tri thức Ôn tập chương 4: ĐỒ DÙNG ĐIỆN TRONG GIA ĐÌNHBài tập nâng cao

{"common":{"save":0,"post_id":"5426","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"12801","post_id":"5426","mon_id":"1158403","chapter_id":"1158414","question":"Cho bi\u1ebft ý ngh\u0129a c\u1ee7a kí hi\u1ec7u sau trên b\u1ebfp h\u1ed3ng ngo\u1ea1i: <svg height=\"140\" width=\"140\"> <g><title><\/title><rect fill=\"#fff\" height=\"142\" id=\"canvas_background\" width=\"142\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><g id=\"svg_8\"> <ellipse cx=\"69.9\" cy=\"69.85\" fill=\"#fff\" id=\"svg_1\" rx=\"64\" ry=\"64\" stroke=\"#000\" stroke-width=\"3\"><\/ellipse> <rect fill=\"#fff\" fill-opacity=\"null\" height=\"27\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\" width=\"50\" x=\"46.9\" y=\"80.85\"><\/rect> <ellipse cx=\"70.4\" cy=\"67.35\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_3\" rx=\"46.5\" ry=\"29.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"3\" x1=\"23.89999\" x2=\"115.9\" y1=\"66\" y2=\"66\"><\/line> <rect fill=\"#fff\" fill-opacity=\"null\" height=\"28\" id=\"svg_5\" stroke=\"#ffffff\" stroke-width=\"3\" width=\"97\" x=\"19.9\" y=\"34.85\"><\/rect> <ellipse cx=\"71.4\" cy=\"61.85\" fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" rx=\"11.5\" ry=\"14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"3\"><\/ellipse> <rect fill=\"#ffffff\" height=\"16\" id=\"svg_7\" stroke=\"#ffffff\" stroke-width=\"3\" width=\"27\" x=\"57.9\" y=\"68.85\"><\/rect> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> Xào","B.<\/strong> N\u01b0\u1edbng","C. <\/strong>L\u1ea9u ","D. <\/strong>Lu\u1ed9c"],"correct":"3","level":"3","hint":"","answer":"\u0110áp án \u0111úng là  C. L\u1ea9u<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-12-17 01:18:13","option_type":"txt","len":1},{"id":"12805","post_id":"5426","mon_id":"1158403","chapter_id":"1158414","question":"Gia \u0111ình b\u1ea1n H\u1ea3i có n\u0103m ng\u01b0\u1eddi: b\u1ed1, m\u1eb9, ch\u1ecb gái, H\u1ea3i và em trai tám tu\u1ed5i. Em hãy tham kh\u1ea3o b\u1ea3ng sau và giúp H\u1ea3i l\u1ef1a ch\u1ecdn m\u1ed9t chi\u1ebfc n\u1ed3i c\u01a1m \u0111i\u1ec7n phù h\u1ee3p nh\u1ea5t v\u1edbi gia \u0111ình b\u1ea1n \u1ea5y trong các lo\u1ea1i n\u1ed3i d\u01b0\u1edbi \u0111ây:<\/p><svg height=\"110\" width=\"370\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"112\" id=\"canvas_background\" width=\"372\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"112.00001\" id=\"svg_1\" stroke=\"null\" width=\"372.00001\" x=\"-0.5\" 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\" y=\"-0.00001\"><\/image> <\/g> <\/svg><\/span><\/p>(Ngu\u1ed3n: B\u1ea3ng 12.1 SGK Công ngh\u1ec7 6, sách K\u1ebft n\u1ed1i tri th\u1ee9c, trang 66)<\/p>","options":["A. <\/strong>N\u1ed3i c\u01a1m \u0111i\u1ec7n có thông s\u1ed1: 220 V; 850 W; 2,5 L","B. <\/strong>N\u1ed3i c\u01a1m \u0111i\u1ec7n có thông s\u1ed1: 220 V; 775 W; 1,8 L","C. <\/strong>N\u1ed3i c\u01a1m \u0111i\u1ec7n có thông s\u1ed1: 220 V, 680 W; 1,0 L ","D. <\/strong>N\u1ed3i c\u01a1m \u0111i\u1ec7n có thông s\u1ed1: 220 V, 550 W; 1,5 L"],"correct":"2","level":"3","hint":"","answer":"Vì gia \u0111ình b\u1ea1n H\u1ea3i có n\u0103m ng\u01b0\u1eddi: b\u1ed1, m\u1eb9, ch\u1ecb gái, H\u1ea3i và em trai tám tu\u1ed5i nên c\u1ea7n ch\u1ecdn n\u1ed3i có dung tích 1,8 - 2 L.<\/p>Do \u0111ó chi\u1ebfc n\u1ed3i c\u01a1m \u0111i\u1ec7n phù h\u1ee3p nh\u1ea5t v\u1edbi gia \u0111ình b\u1ea1n \u1ea5y là<\/p>B. N\u1ed3i c\u01a1m \u0111i\u1ec7n có thông s\u1ed1: 220 V; 775 W; 1,8 L  <\/strong><\/span> <\/strong>(phù h\u1ee3p v\u1edbi gia \u0111ình có t\u1eeb 4 - 6 ng\u01b0\u1eddi \u0103n)<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-12-17 01:31:55","option_type":"txt","len":3},{"id":"12807","post_id":"5426","mon_id":"1158403","chapter_id":"1158414","question":"Ch\u1ecdn câu phát bi\u1ec3u sai.<\/p>","options":["A. <\/strong>Ch\u1ee9c n\u0103ng chính c\u1ee7a n\u1ed3i c\u01a1m \u0111i\u1ec7n là n\u1ea5u c\u01a1m","B. <\/strong>Bóng \u0111èn hu\u1ef3nh quang tiêu th\u1ee5 \u0111i\u1ec7n nhi\u1ec1u h\u01a1n so v\u1edbi bóng \u0111èn s\u1ee3i \u0111\u1ed1t","C. <\/strong>S\u1eed d\u1ee5ng b\u1ebfp h\u1ed3ng ngo\u1ea1i ti\u1ebft ki\u1ec7m th\u1eddi gian n\u1ea5u so v\u1edbi b\u1ebfp gas","D. <\/strong>Bóng \u0111èn LED ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng nh\u1ea5t so v\u1edbi các lo\u1ea1i \u0111èn thông d\u1ee5ng khác"],"correct":"2","level":"3","hint":"","answer":"A. <\/strong>Ch\u1ee9c n\u0103ng chính c\u1ee7a n\u1ed3i c\u01a1m \u0111i\u1ec7n là n\u1ea5u c\u01a1m                                                    \u0110úng<\/span><\/p>B. <\/strong>Bóng \u0111èn hu\u1ef3nh quang tiêu th\u1ee5 \u0111i\u1ec7n nhi\u1ec1u h\u01a1n so v\u1edbi bóng \u0111èn s\u1ee3i \u0111\u1ed1t             <\/span>Sai <\/span>vì bóng \u0111èn hu\u1ef3nh quang tiêu th\u1ee5 \u0111i\u1ec7n ít h\u01a1n<\/span> so v\u1edbi bóng \u0111èn s\u1ee3i \u0111\u1ed1t<\/p>C. <\/strong>S\u1eed d\u1ee5ng b\u1ebfp h\u1ed3ng ngo\u1ea1i ti\u1ebft ki\u1ec7m th\u1eddi gian n\u1ea5u so v\u1edbi b\u1ebfp gas                          \u0110úng<\/span><\/p>D. <\/strong>Bóng \u0111èn LED ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng nh\u1ea5t so v\u1edbi các lo\u1ea1i \u0111èn thông d\u1ee5ng khác     \u0110úng<\/span><\/p>\u0110áp án \u0111úng là  B. Bóng \u0111èn hu\u1ef3nh quang tiêu th\u1ee5 \u0111i\u1ec7n nhi\u1ec1u h\u01a1n so v\u1edbi bóng \u0111èn s\u1ee3i \u0111\u1ed1t<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2021-12-17 01:55:13","option_type":"txt","len":3}]}