[{"_1":2,"_301":-5,"_302":-5},"loaderData",{"_3":4,"_8":9},"root",{"_5":6,"_7":-5},"url","https://prouniversitario.com/exercicios/fffd93c8-dc05-45e9-a46a-bfcb9aba8ab4","user","pages/questions/show/index",{"_10":11,"_12":13,"_14":15,"_16":17,"_50":51,"_166":167,"_88":274,"_283":284,"_297":298,"_299":300},"comments",[],"hasVideoHash",false,"isAiGenerated",true,"question",{"_18":19,"_20":21,"_22":23,"_24":25,"_43":44,"_45":46,"_47":48,"_49":15},"correctOptionId","9dd99adb-1ca7-4325-b24a-cebc7ae59930","difficulty","","id","fffd93c8-dc05-45e9-a46a-bfcb9aba8ab4","options",[26,31,35,39],{"_22":19,"_27":28,"_29":30},"label","A","text","ID2=0",{"_22":32,"_27":33,"_29":34},"393bf7fe-a016-4afa-ac6c-136df73b2e31","B","ID2=0,5mA",{"_22":36,"_27":37,"_29":38},"289bd464-dcd9-4928-835c-16d655701d6e","C","ID2=1,5mA",{"_22":40,"_27":41,"_29":42},"7d33a473-12f9-449f-9cb9-488c7ef7af3d","D","ID2=15mA","solution_explanation","Como os diodos são ideais, basta verificar polarização. A tensão no ramo de D2 fica inferior ao potencial do nó onde ele está ligado ao ânodo, de modo que D2 fica reversamente polarizado. Sendo ideal, em polarização reversa ele se comporta como circuito aberto, não permitindo passagem de corrente. Assim, a corrente no ramo de D2 é nula: ID2 = 0.","statement","

Considerando os diodos do circuito ideais, qual o valor da corrente ID2?

Qual é o valor da corrente ID2?

","status","published","hasRelatedVideo","relatedVideos",[52],{"_53":54,"_72":73,"_88":89,"_134":135,"_153":154},"content",{"_22":55,"_56":57,"_58":-5,"_59":60,"_61":62,"_63":-5,"_64":65,"_68":69,"_70":69,"_71":-5},"fea1149f-ed42-488e-b8d0-46e5016f329f","name","Relações Trigonométricas no Triângulo Retângulo, Leis dos Senos e Cossenos - 06 - Revisando e Praticando - Parte 06","description","content_type_id","1051eee7-c62e-4b2c-9900-77a29fcec080","resource_id","d7fcad9c-530e-4eec-824f-930373662cdc","user_id","metadata",{"_66":67},"external_id","12593","created_at","2025-08-20T12:27:41.608438+00:00","updated_at","content_group_id","prometheusData",{"_74":75,"_81":82,"_83":84,"_85":86,"_5":87},"provider",{"_22":76,"_77":78,"_79":80},"06f120be-2194-4548-8336-7ba44ffbae14","key","grupo_q_proteus","kind","proteus","reference","c3d18e75-a612-4049-bb1b-05fa8436e75a","state","completed","thumbnail_url","https://proteus.grupoq.io/videos/c3d18e75-a612-4049-bb1b-05fa8436e75a/thumbnailsthumb.0000000.jpg","https://proteus.grupoq.io/videos/c3d18e75-a612-4049-bb1b-05fa8436e75a/levels.m3u8","tags",[90],{"_22":91,"_56":92,"_93":94,"_95":96,"_97":-5,"_68":98,"_70":98,"_64":99,"_106":94,"_107":108},"9772e958-72c6-4499-ad47-877cf94d670d","Exatas","alias","exatas","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","2025-04-29T01:56:45.284172+00:00",{"_100":101,"_102":103,"_104":105},"childrenCount",18,"content_count",0,"question_count",135489,"slug","children",[109],{"_22":110,"_56":111,"_93":112,"_95":96,"_97":91,"_68":113,"_70":113,"_64":114,"_106":117,"_107":118},"94712427-655a-4d3f-a9a4-c17abbad6f90","Mecatrônica","mecatronica","2025-04-29T02:19:12.828432+00:00",{"_100":115,"_102":103,"_104":116},5,12419,"mecatronica-1",[119],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":124,"_106":122,"_107":126},"5e92796e-abab-4cd6-903d-33ded7476005","Eletrônica em Mecatrônica","eletronica-em-mecatronica","2025-04-29T03:44:35.328997+00:00",{"_100":125,"_102":103,"_104":116},4,[127],{"_22":128,"_56":129,"_93":130,"_95":96,"_97":120,"_68":131,"_70":131,"_64":132,"_106":130,"_107":133},"65b59c47-5208-4b07-9a93-2b5eb61935bd","Equipamentos Eletrônicos","equipamentos-eletronicos","2025-04-29T04:00:14.680867+00:00",{"_100":103,"_102":103,"_104":116},[],"video",{"_22":62,"_136":57,"_58":-5,"_137":138,"_139":140,"_5":-5,"_141":-5,"_74":140,"_142":143,"_85":-5,"_144":-5,"_145":-5,"_146":-5,"_147":-5,"_64":148,"_149":103,"_150":-5,"_47":151,"_68":152,"_70":152},"title","duration",21,"source_type","prometheus","iframe_url","provider_video_id","8335867d-4f35-401e-a9c3-13c4a0db8c56","format","quality","file_path","file_size",{"_66":67},"views_count","last_played_at","draft","2025-08-19T11:56:14.613229+00:00","tag",{"_22":91,"_56":92,"_93":94,"_95":96,"_97":-5,"_68":98,"_70":98,"_64":155,"_106":94,"_107":156},{"_100":101,"_102":103,"_104":105},[157],{"_22":110,"_56":111,"_93":112,"_95":96,"_97":91,"_68":113,"_70":113,"_64":158,"_106":117,"_107":159},{"_100":115,"_102":103,"_104":116},[160],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":161,"_106":122,"_107":162},{"_100":125,"_102":103,"_104":116},[163],{"_22":128,"_56":129,"_93":130,"_95":96,"_97":120,"_68":131,"_70":131,"_64":164,"_106":130,"_107":165},{"_100":103,"_102":103,"_104":116},[],"similarQuestions",[168,191,213,230,252],{"_18":169,"_20":21,"_22":170,"_24":171,"_43":21,"_45":187,"_88":188},"47350bfb-e216-4512-8208-9013b4ef0e82","65d40c69-79b9-4d49-b7f1-60bf496e45c2",[172,175,177,180,183],{"_22":173,"_27":28,"_29":174},"92b2721e-2598-4aa3-9818-117bcc898838","

Conversor A/C.

",{"_22":169,"_27":33,"_29":176},"

Conversor D/A.

",{"_22":178,"_27":37,"_29":179},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_22":181,"_27":41,"_29":182},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_22":184,"_27":185,"_29":186},"82beb153-62b5-4492-a5b4-4b250e984761","E","

Nenhuma das respostas acima.

","

Para a conversão de sinais digitais para analógicos, necessitamos de circuitos ou chips denominados:

",[189],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":190,"_106":122},{"_100":125,"_102":103,"_104":116},{"_18":192,"_20":21,"_22":193,"_24":194,"_43":21,"_45":209,"_88":210},"3ad9843b-1d8c-4105-ba2e-c4b2036aa739","9250916a-6d75-45e4-ba22-e241577b3c6d",[195,198,201,203,206],{"_22":196,"_27":28,"_29":197},"cd9bf874-c68d-4a83-a542-6e1017ab5aa3","Controlador e caminho de realimentação.",{"_22":199,"_27":33,"_29":200},"9876ad07-7a59-4783-9a6f-a8dfd575ebda","Variável controlada e variável manipulada.",{"_22":192,"_27":37,"_29":202},"Sensores e atuadores.",{"_22":204,"_27":41,"_29":205},"d437cd92-e74c-4e75-8ead-58c7ad88f9b4","Saídas e entradas.",{"_22":207,"_27":185,"_29":208},"92227e4f-9bed-48a2-8a24-4e78e7032b81","Ponto de ajuste e atuadores.","

No diagrama de blocos de uma malha de controle, o elemento de medição e o elemento de controle são:

",[211],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":212,"_106":122},{"_100":125,"_102":103,"_104":116},{"_18":21,"_20":21,"_22":214,"_24":215,"_43":21,"_45":226,"_88":227},"b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[216,218,220,222,224],{"_22":217,"_27":28,"_29":28},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_22":219,"_27":33,"_29":33},"22d7bbd3-763e-4f0a-b27b-99a913a98b51",{"_22":221,"_27":37,"_29":37},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_22":223,"_27":41,"_29":41},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_22":225,"_27":185,"_29":185},"79575e01-cc80-4c53-8122-bc3a7a15ac9a","

Qual é a resposta correta para a questão 50 do exame realizado em 02/05/2010 para o cargo de ENGENHEIRO(A) DE EQUIPAMENTOS PLENO ÊNFASE EM ELETRICIDADE, de acordo com a seguinte chave de respostas?

",[228],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":229,"_106":122},{"_100":125,"_102":103,"_104":116},{"_18":231,"_20":21,"_22":232,"_24":233,"_43":21,"_45":248,"_88":249},"721f83f6-6fbb-4d15-b57e-af26193ba98f","c645c529-f67f-47b0-8f80-f9d965b2264b",[234,237,240,242,245],{"_22":235,"_27":28,"_29":236},"3b2273ed-dc7c-44ca-82cb-ebf48f8843d3","Regenerativo.",{"_22":238,"_27":33,"_29":239},"aef385fd-950e-48e1-bdb9-42ba22b75c3f","Manual",{"_22":231,"_27":37,"_29":241},"Malha fechada.",{"_22":243,"_27":41,"_29":244},"8a9e08be-9bfb-4d56-96e6-c06f1509b636","Malha aberta.",{"_22":246,"_27":185,"_29":247},"31369380-e5e4-4a49-aca4-1a01acfa1c3d","On/Off.","

Uma moderna caldeira industrial totalmente automática, com controle de nível, pressão, vazão de combustível e vapor, tem o tipo de controle:

",[250],{"_22":120,"_56":121,"_93":122,"_95":96,"_97":110,"_68":123,"_70":123,"_64":251,"_106":122},{"_100":125,"_102":103,"_104":116},{"_18":253,"_20":21,"_22":254,"_24":255,"_43":21,"_45":270,"_88":271},"92b42c3f-99b6-4855-b672-0c00432d3b62","f8cc0ab1-5196-413f-9ba9-71ab7dc52ad1",[256,259,262,265,268],{"_22":257,"_27":28,"_29":258},"4ba98b5c-50e9-4ca2-bce8-2605d345ff50","

Faixa de um instrumento.

",{"_22":260,"_27":33,"_29":261},"3bebaab0-b40e-4042-84d0-aeefa3d57eee","

Precisão de um instrumento.

",{"_22":263,"_27":37,"_29":264},"006de846-35e0-45f2-af11-21cc2f21f23e","

Repetibilidade.

",{"_22":266,"_27":41,"_29":267},"89c2d67b-c344-4c15-bff9-c5282752e5eb","

Histerese.

",{"_22":253,"_27":185,"_29":269},"

Resolução.

","

A menor indicação da variável numérica que um instrumento pode indicar, ou seja, a menor mudança de uma variável para que o instrumento possa responder é:

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Comentários