[{"_1":2,"_199":-5,"_200":-5},"loaderData",{"_3":4,"_6":7},"root",{"_5":-5},"user","pages/questions/show/index",{"_8":9,"_10":11,"_44":45,"_46":47,"_67":187,"_188":189},"comments",[],"question",{"_12":13,"_14":15,"_16":17,"_18":19,"_41":15,"_42":43},"correctOptionId","5554e9b7-d00d-49bd-ac5f-c8b5588d77b2","difficulty","","id","fcab8259-696c-409b-82ca-850863e8dc96","options",[20,26,29,33,37],{"_16":21,"_22":23,"_24":25},"0f003009-17c0-4932-91af-3a18e9b4cfc1","label","A","text","

3,99 kΩ

",{"_16":13,"_22":27,"_24":28},"B","

0,87 kΩ

",{"_16":30,"_22":31,"_24":32},"84f3d144-9614-4da2-a2ec-4857aa9f89a1","C","

13,16 kΩ

",{"_16":34,"_22":35,"_24":36},"3d833ce9-b69f-46e5-80ad-f8678daeb916","D","

4,5 kΩ

",{"_16":38,"_22":39,"_24":40},"0fd8b1d1-8005-41fd-a112-2862649dca45","E","

2,56 kΩ

","solution_explanation","statement","

Que valor de resistência descarregará um capacitor de 1 \\, \text{μF} de modo que sua carga atinja 10\\% do valor inicial em 2 \\, \text{ms}?

","relatedVideos",[],"similarQuestions",[48,112,132,147,167],{"_12":49,"_14":15,"_16":50,"_18":51,"_41":15,"_42":66,"_67":68},"47350bfb-e216-4512-8208-9013b4ef0e82","65d40c69-79b9-4d49-b7f1-60bf496e45c2",[52,55,57,60,63],{"_16":53,"_22":23,"_24":54},"92b2721e-2598-4aa3-9818-117bcc898838","

Conversor A/C.

",{"_16":49,"_22":27,"_24":56},"

Conversor D/A.

",{"_16":58,"_22":31,"_24":59},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_16":61,"_22":35,"_24":62},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_16":64,"_22":39,"_24":65},"82beb153-62b5-4492-a5b4-4b250e984761","

Nenhuma das respostas acima.

","

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

","tags",[69,91,97,105],{"_16":70,"_71":72,"_73":74,"_75":76,"_77":78,"_79":80,"_81":80,"_82":83,"_90":74},"5e92796e-abab-4cd6-903d-33ded7476005","name","Eletrônica em Mecatrônica","alias","eletronica-em-mecatronica","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","94712427-655a-4d3f-a9a4-c17abbad6f90","created_at","2025-04-29T03:44:35.328997+00:00","updated_at","metadata",{"_84":85,"_86":87,"_88":89},"childrenCount",4,"content_count",0,"question_count",12419,"slug",{"_16":92,"_71":93,"_73":94,"_75":76,"_77":70,"_79":95,"_81":95,"_82":96,"_90":94},"65b59c47-5208-4b07-9a93-2b5eb61935bd","Equipamentos Eletrônicos","equipamentos-eletronicos","2025-04-29T04:00:14.680867+00:00",{"_84":87,"_86":87,"_88":89},{"_16":78,"_71":98,"_73":99,"_75":76,"_77":100,"_79":101,"_81":101,"_82":102,"_90":104},"Mecatrônica","mecatronica","9772e958-72c6-4499-ad47-877cf94d670d","2025-04-29T02:19:12.828432+00:00",{"_84":103,"_86":87,"_88":89},5,"mecatronica-1",{"_16":100,"_71":106,"_73":107,"_75":76,"_77":-5,"_79":108,"_81":108,"_82":109,"_90":107},"Exatas","exatas","2025-04-29T01:56:45.284172+00:00",{"_84":110,"_86":87,"_88":111},18,135489,{"_12":113,"_14":15,"_16":114,"_18":115,"_41":15,"_42":130,"_67":131},"3ad9843b-1d8c-4105-ba2e-c4b2036aa739","9250916a-6d75-45e4-ba22-e241577b3c6d",[116,119,122,124,127],{"_16":117,"_22":23,"_24":118},"cd9bf874-c68d-4a83-a542-6e1017ab5aa3","Controlador e caminho de realimentação.",{"_16":120,"_22":27,"_24":121},"9876ad07-7a59-4783-9a6f-a8dfd575ebda","Variável controlada e variável manipulada.",{"_16":113,"_22":31,"_24":123},"Sensores e atuadores.",{"_16":125,"_22":35,"_24":126},"d437cd92-e74c-4e75-8ead-58c7ad88f9b4","Saídas e entradas.",{"_16":128,"_22":39,"_24":129},"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:

",[69,91,97,105],{"_12":15,"_14":15,"_16":133,"_18":134,"_41":15,"_42":145,"_67":146},"b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[135,137,139,141,143],{"_16":136,"_22":23,"_24":23},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_16":138,"_22":27,"_24":27},"22d7bbd3-763e-4f0a-b27b-99a913a98b51",{"_16":140,"_22":31,"_24":31},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_16":142,"_22":35,"_24":35},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_16":144,"_22":39,"_24":39},"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?

",[69,91,97,105],{"_12":148,"_14":15,"_16":149,"_18":150,"_41":15,"_42":165,"_67":166},"721f83f6-6fbb-4d15-b57e-af26193ba98f","c645c529-f67f-47b0-8f80-f9d965b2264b",[151,154,157,159,162],{"_16":152,"_22":23,"_24":153},"3b2273ed-dc7c-44ca-82cb-ebf48f8843d3","Regenerativo.",{"_16":155,"_22":27,"_24":156},"aef385fd-950e-48e1-bdb9-42ba22b75c3f","Manual",{"_16":148,"_22":31,"_24":158},"Malha fechada.",{"_16":160,"_22":35,"_24":161},"8a9e08be-9bfb-4d56-96e6-c06f1509b636","Malha aberta.",{"_16":163,"_22":39,"_24":164},"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:

",[69,91,97,105],{"_12":168,"_14":15,"_16":169,"_18":170,"_41":15,"_42":185,"_67":186},"92b42c3f-99b6-4855-b672-0c00432d3b62","f8cc0ab1-5196-413f-9ba9-71ab7dc52ad1",[171,174,177,180,183],{"_16":172,"_22":23,"_24":173},"4ba98b5c-50e9-4ca2-bce8-2605d345ff50","

Faixa de um instrumento.

",{"_16":175,"_22":27,"_24":176},"3bebaab0-b40e-4042-84d0-aeefa3d57eee","

Precisão de um instrumento.

",{"_16":178,"_22":31,"_24":179},"006de846-35e0-45f2-af11-21cc2f21f23e","

Repetibilidade.

",{"_16":181,"_22":35,"_24":182},"89c2d67b-c344-4c15-bff9-c5282752e5eb","

Histerese.

",{"_16":168,"_22":39,"_24":184},"

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:

",[69,91,97,105],[69,91,97,105],"tagsTree",[190],{"_16":100,"_71":106,"_73":107,"_75":76,"_77":-5,"_79":108,"_81":108,"_82":109,"_90":107,"_191":192},"children",[193],{"_16":78,"_71":98,"_73":99,"_75":76,"_77":100,"_79":101,"_81":101,"_82":102,"_90":104,"_191":194},[195],{"_16":70,"_71":72,"_73":74,"_75":76,"_77":78,"_79":80,"_81":80,"_82":83,"_90":74,"_191":196},[197],{"_16":92,"_71":93,"_73":94,"_75":76,"_77":70,"_79":95,"_81":95,"_82":96,"_90":94,"_191":198},[],"actionData","errors"]

Aulas em vídeo Em breve

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