[{"_1":2,"_205":-5,"_206":-5},"loaderData",{"_3":4,"_8":9},"root",{"_5":6,"_7":-5},"url","https://prouniversitario.com/exercicios/eec23da7-c85f-4bb0-9cce-3e6173b51fb5","user","pages/questions/show/index",{"_10":11,"_12":13,"_14":15,"_50":51,"_52":53,"_73":193,"_194":195},"comments",[],"isAiGenerated",false,"question",{"_16":17,"_18":17,"_19":20,"_21":22,"_45":17,"_46":47,"_48":49},"correctOptionId","","difficulty","id","eec23da7-c85f-4bb0-9cce-3e6173b51fb5","options",[23,29,33,37,41],{"_19":24,"_25":26,"_27":28},"d667d72a-f8ac-419b-a161-2537f5b43980","label","A","text","8,6 \text{ mA} (oito vírgula seis miliAmperes)",{"_19":30,"_25":31,"_27":32},"0a2a88d3-6597-4de2-b773-4368f9c8a842","B","10 \text{ mA} (dez miliAmperes)",{"_19":34,"_25":35,"_27":36},"0f9ff3d9-0bd8-4999-a7d0-6cc0f8bfceb5","C","12 \text{ mA} (doze miliAmperes)",{"_19":38,"_25":39,"_27":40},"679193a5-2b88-4620-90d2-8b47fc71ddbd","D","9,3 \text{ mA} (nove vírgula três miliAmperes)",{"_19":42,"_25":43,"_27":44},"b8d89c61-312d-4b80-b2f2-9dd3ad5631e3","E","11,4 \text{ mA} (onze vírgula quatro miliAmperes)","solution_explanation","statement","

Considerando a queda de tensão de um diodo de silício igual a 0,7 \text{ V}, a corrente I do circuito é: (Circuito com diodo de silício)

","status","pending_classification","relatedVideos",[],"similarQuestions",[54,118,138,153,173],{"_16":55,"_18":17,"_19":56,"_21":57,"_45":17,"_46":72,"_73":74},"47350bfb-e216-4512-8208-9013b4ef0e82","65d40c69-79b9-4d49-b7f1-60bf496e45c2",[58,61,63,66,69],{"_19":59,"_25":26,"_27":60},"92b2721e-2598-4aa3-9818-117bcc898838","

Conversor A/C.

",{"_19":55,"_25":31,"_27":62},"

Conversor D/A.

",{"_19":64,"_25":35,"_27":65},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_19":67,"_25":39,"_27":68},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_19":70,"_25":43,"_27":71},"82beb153-62b5-4492-a5b4-4b250e984761","

Nenhuma das respostas acima.

","

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

","tags",[75,97,103,111],{"_19":76,"_77":78,"_79":80,"_81":82,"_83":84,"_85":86,"_87":86,"_88":89,"_96":80},"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",{"_90":91,"_92":93,"_94":95},"childrenCount",4,"content_count",0,"question_count",12419,"slug",{"_19":98,"_77":99,"_79":100,"_81":82,"_83":76,"_85":101,"_87":101,"_88":102,"_96":100},"65b59c47-5208-4b07-9a93-2b5eb61935bd","Equipamentos Eletrônicos","equipamentos-eletronicos","2025-04-29T04:00:14.680867+00:00",{"_90":93,"_92":93,"_94":95},{"_19":84,"_77":104,"_79":105,"_81":82,"_83":106,"_85":107,"_87":107,"_88":108,"_96":110},"Mecatrônica","mecatronica","9772e958-72c6-4499-ad47-877cf94d670d","2025-04-29T02:19:12.828432+00:00",{"_90":109,"_92":93,"_94":95},5,"mecatronica-1",{"_19":106,"_77":112,"_79":113,"_81":82,"_83":-5,"_85":114,"_87":114,"_88":115,"_96":113},"Exatas","exatas","2025-04-29T01:56:45.284172+00:00",{"_90":116,"_92":93,"_94":117},18,135489,{"_16":119,"_18":17,"_19":120,"_21":121,"_45":17,"_46":136,"_73":137},"3ad9843b-1d8c-4105-ba2e-c4b2036aa739","9250916a-6d75-45e4-ba22-e241577b3c6d",[122,125,128,130,133],{"_19":123,"_25":26,"_27":124},"cd9bf874-c68d-4a83-a542-6e1017ab5aa3","Controlador e caminho de realimentação.",{"_19":126,"_25":31,"_27":127},"9876ad07-7a59-4783-9a6f-a8dfd575ebda","Variável controlada e variável manipulada.",{"_19":119,"_25":35,"_27":129},"Sensores e atuadores.",{"_19":131,"_25":39,"_27":132},"d437cd92-e74c-4e75-8ead-58c7ad88f9b4","Saídas e entradas.",{"_19":134,"_25":43,"_27":135},"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:

",[75,97,103,111],{"_16":17,"_18":17,"_19":139,"_21":140,"_45":17,"_46":151,"_73":152},"b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[141,143,145,147,149],{"_19":142,"_25":26,"_27":26},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_19":144,"_25":31,"_27":31},"22d7bbd3-763e-4f0a-b27b-99a913a98b51",{"_19":146,"_25":35,"_27":35},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_19":148,"_25":39,"_27":39},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_19":150,"_25":43,"_27":43},"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?

",[75,97,103,111],{"_16":154,"_18":17,"_19":155,"_21":156,"_45":17,"_46":171,"_73":172},"721f83f6-6fbb-4d15-b57e-af26193ba98f","c645c529-f67f-47b0-8f80-f9d965b2264b",[157,160,163,165,168],{"_19":158,"_25":26,"_27":159},"3b2273ed-dc7c-44ca-82cb-ebf48f8843d3","Regenerativo.",{"_19":161,"_25":31,"_27":162},"aef385fd-950e-48e1-bdb9-42ba22b75c3f","Manual",{"_19":154,"_25":35,"_27":164},"Malha fechada.",{"_19":166,"_25":39,"_27":167},"8a9e08be-9bfb-4d56-96e6-c06f1509b636","Malha aberta.",{"_19":169,"_25":43,"_27":170},"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:

",[75,97,103,111],{"_16":174,"_18":17,"_19":175,"_21":176,"_45":17,"_46":191,"_73":192},"92b42c3f-99b6-4855-b672-0c00432d3b62","f8cc0ab1-5196-413f-9ba9-71ab7dc52ad1",[177,180,183,186,189],{"_19":178,"_25":26,"_27":179},"4ba98b5c-50e9-4ca2-bce8-2605d345ff50","

Faixa de um instrumento.

",{"_19":181,"_25":31,"_27":182},"3bebaab0-b40e-4042-84d0-aeefa3d57eee","

Precisão de um instrumento.

",{"_19":184,"_25":35,"_27":185},"006de846-35e0-45f2-af11-21cc2f21f23e","

Repetibilidade.

",{"_19":187,"_25":39,"_27":188},"89c2d67b-c344-4c15-bff9-c5282752e5eb","

Histerese.

",{"_19":174,"_25":43,"_27":190},"

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:

",[75,97,103,111],[75,97,103,111],"tagsTree",[196],{"_19":106,"_77":112,"_79":113,"_81":82,"_83":-5,"_85":114,"_87":114,"_88":115,"_96":113,"_197":198},"children",[199],{"_19":84,"_77":104,"_79":105,"_81":82,"_83":106,"_85":107,"_87":107,"_88":108,"_96":110,"_197":200},[201],{"_19":76,"_77":78,"_79":80,"_81":82,"_83":84,"_85":86,"_87":86,"_88":89,"_96":80,"_197":202},[203],{"_19":98,"_77":99,"_79":100,"_81":82,"_83":76,"_85":101,"_87":101,"_88":102,"_96":100,"_197":204},[],"actionData","errors"]

Comentários