[{"_1":2,"_284":-5,"_285":-5},"loaderData",{"_3":4,"_31":32},"root",{"_5":6,"_28":29,"_30":-5},"registerModalConfig",{"_7":8,"_15":16},"blockedConfig",{"_9":10,"_15":16,"_17":18,"_21":22,"_24":25},"answerQuestion",{"_11":12,"_13":14},"subtitle","Crie sua conta gratuita e utilize todos os nossos recursos de questões disponiveis","title","Para responder, cadastre-se gratuitamente","customBlockedUI",true,"defaultRegister",{"_11":19,"_13":20},"Crie sua conta gratuita e utilize todos os nossos recursos disponíveis","Cadastre-se gratuitamente","imageSearch",{"_11":19,"_13":23},"Para buscar por imagem, cadastre-se gratuitamente","questionAnswer",{"_11":26,"_13":27},"Crie sua conta gratuita e utilize todos os nossos recursos disponíveis para responder","Para ver a resposta, cadastre-se gratuitamente","url","https://prouniversitario.com/exercicios/cd22051d-e564-41db-b00f-e1859b270f3d?video=true","user","pages/questions/show/index",{"_33":34,"_35":36,"_37":36,"_38":39,"_103":104,"_214":215,"_51":257,"_266":267,"_280":281,"_282":283},"comments",[],"hasVideoHash",false,"isAiGenerated","question",{"_40":41,"_42":41,"_43":44,"_45":46,"_77":78,"_97":41,"_98":99,"_100":101,"_102":16},"correctOptionId","","difficulty","id","cd22051d-e564-41db-b00f-e1859b270f3d","metadata",{"_47":48,"_73":74,"_75":76},"pd",{"_49":50,"_51":52,"_53":54,"_61":62,"_63":64,"_65":16,"_66":67,"_68":16,"_69":70,"_71":72},"area","Outros","tags",[],"subjects",[55],{"_43":56,"_57":58,"_59":60},147389057,"name","Eletrônicos","alias","eletronicos","materialId","153750384","answerCount",0,"isIndexable","mainSubject",{"_43":56,"_57":58,"_59":60},"isIndexableSEO","materialFormat","Text","studentDegreeLevel","Graduate","source","PD","externalId","142735945","options",[79,85,89,93],{"_43":80,"_81":82,"_83":84},"147047c7-9603-4dab-be13-0e10c65a61fe","label","A","text","Aumentar a potência sonora mantendo a qualidade de som.",{"_43":86,"_81":87,"_83":88},"175715a8-54e6-48f6-bea1-e8fe5d18242b","B","Gerar tensões acima de 50 volts e simétricas.",{"_43":90,"_81":91,"_83":92},"19fd6cdb-bd3f-439a-9de4-d572bba53667","C","Estabilizar a tensão de saída do amplificador de potência.",{"_43":94,"_81":95,"_83":96},"a933099f-da2a-477c-a9b8-45b4e211bd74","D","Limitar a corrente máxima circulante em um alto-falante de 4 ohms.","solution_explanation","statement","

Considerando o texto fornecido sobre conversores DC-DC, qual é a finalidade do circuito conversor mencionado?

","status","pending_classification","hasRelatedVideo","relatedVideos",[105],{"_106":107,"_125":126,"_51":141,"_183":184,"_201":202},"content",{"_43":108,"_57":109,"_110":-5,"_111":112,"_113":114,"_115":-5,"_45":116,"_119":120,"_121":120,"_122":-5,"_123":124},"468e3e62-35e0-47be-a15f-68dd43bb32bb","Óptica Geométrica - Parte 1","description","content_type_id","1051eee7-c62e-4b2c-9900-77a29fcec080","resource_id","fa6aaf42-4cc4-4d76-8915-7a67081f7e9a","user_id",{"_117":118},"external_id","4963","created_at","2025-08-20T12:27:41.608438+00:00","updated_at","content_group_id","slug","optica-geometrica-parte-1","prometheusData",{"_127":128,"_134":135,"_136":137,"_138":139,"_28":140},"provider",{"_43":129,"_130":131,"_132":133},"06f120be-2194-4548-8336-7ba44ffbae14","key","grupo_q_proteus","kind","proteus","reference","d80487a0-0f98-42c8-99bb-551165ba3068","state","completed","thumbnail_url","https://proteus.grupoq.io/videos/d80487a0-0f98-42c8-99bb-551165ba3068/thumbnailsthumb.0000000.jpg","https://proteus.grupoq.io/videos/d80487a0-0f98-42c8-99bb-551165ba3068/levels.m3u8",[142],{"_43":143,"_57":144,"_59":145,"_146":147,"_148":-5,"_119":149,"_121":149,"_45":150,"_123":145,"_156":157},"9772e958-72c6-4499-ad47-877cf94d670d","Exatas","exatas","tag_group_id","c1ce2cf2-b217-4cc7-8182-81c56bd3522d","parent_id","2025-04-29T01:56:45.284172+00:00",{"_151":152,"_153":64,"_154":155},"childrenCount",18,"content_count","question_count",135489,"children",[158],{"_43":159,"_57":160,"_59":161,"_146":147,"_148":143,"_119":162,"_121":162,"_45":163,"_123":166,"_156":167},"94712427-655a-4d3f-a9a4-c17abbad6f90","Mecatrônica","mecatronica","2025-04-29T02:19:12.828432+00:00",{"_151":164,"_153":64,"_154":165},5,12419,"mecatronica-1",[168],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":173,"_123":171,"_156":175},"5e92796e-abab-4cd6-903d-33ded7476005","Eletrônica em Mecatrônica","eletronica-em-mecatronica","2025-04-29T03:44:35.328997+00:00",{"_151":174,"_153":64,"_154":165},4,[176],{"_43":177,"_57":178,"_59":179,"_146":147,"_148":169,"_119":180,"_121":180,"_45":181,"_123":179,"_156":182},"65b59c47-5208-4b07-9a93-2b5eb61935bd","Equipamentos Eletrônicos","equipamentos-eletronicos","2025-04-29T04:00:14.680867+00:00",{"_151":64,"_153":64,"_154":165},[],"video",{"_43":114,"_13":109,"_110":-5,"_185":186,"_187":188,"_28":-5,"_189":-5,"_127":188,"_190":191,"_138":-5,"_192":-5,"_193":-5,"_194":-5,"_195":-5,"_45":196,"_197":64,"_198":-5,"_100":199,"_119":200,"_121":200},"duration",20,"source_type","prometheus","iframe_url","provider_video_id","1cd3d633-d690-4f4b-9995-9b0e44994e35","format","quality","file_path","file_size",{"_117":118},"views_count","last_played_at","draft","2025-08-19T11:56:20.758718+00:00","tag",{"_43":143,"_57":144,"_59":145,"_146":147,"_148":-5,"_119":149,"_121":149,"_45":203,"_123":145,"_156":204},{"_151":152,"_153":64,"_154":155},[205],{"_43":159,"_57":160,"_59":161,"_146":147,"_148":143,"_119":162,"_121":162,"_45":206,"_123":166,"_156":207},{"_151":164,"_153":64,"_154":165},[208],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":209,"_123":171,"_156":210},{"_151":174,"_153":64,"_154":165},[211],{"_43":177,"_57":178,"_59":179,"_146":147,"_148":169,"_119":180,"_121":180,"_45":212,"_123":179,"_156":213},{"_151":64,"_153":64,"_154":165},[],"similarQuestions",[216,239],{"_40":217,"_42":41,"_43":218,"_77":219,"_97":41,"_98":235,"_51":236},"47350bfb-e216-4512-8208-9013b4ef0e82","65d40c69-79b9-4d49-b7f1-60bf496e45c2",[220,223,225,228,231],{"_43":221,"_81":82,"_83":222},"92b2721e-2598-4aa3-9818-117bcc898838","

Conversor A/C.

",{"_43":217,"_81":87,"_83":224},"

Conversor D/A.

",{"_43":226,"_81":91,"_83":227},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_43":229,"_81":95,"_83":230},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_43":232,"_81":233,"_83":234},"82beb153-62b5-4492-a5b4-4b250e984761","E","

Nenhuma das respostas acima.

","

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

",[237],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":238,"_123":171},{"_151":174,"_153":64,"_154":165},{"_40":240,"_42":41,"_43":241,"_77":242,"_97":252,"_98":253,"_51":254},"22d7bbd3-763e-4f0a-b27b-99a913a98b51","b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[243,245,246,248,250],{"_43":244,"_81":82,"_83":82},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_43":240,"_81":87,"_83":87},{"_43":247,"_81":91,"_83":91},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_43":249,"_81":95,"_83":95},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_43":251,"_81":233,"_83":233},"79575e01-cc80-4c53-8122-bc3a7a15ac9a","Segundo o gabarito oficial divulgado pela CESGRANRIO para o concurso PETROBRAS de 02/05/2010 (Engenheiro de Equipamentos Pleno – Ênfase Eletricidade), a alternativa assinalada como correta na questão 50 é a letra B.","

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?

",[255],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":256,"_123":171},{"_151":174,"_153":64,"_154":165},[258,260,262,264],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":259,"_123":171},{"_151":174,"_153":64,"_154":165},{"_43":177,"_57":178,"_59":179,"_146":147,"_148":169,"_119":180,"_121":180,"_45":261,"_123":179},{"_151":64,"_153":64,"_154":165},{"_43":159,"_57":160,"_59":161,"_146":147,"_148":143,"_119":162,"_121":162,"_45":263,"_123":166},{"_151":164,"_153":64,"_154":165},{"_43":143,"_57":144,"_59":145,"_146":147,"_148":-5,"_119":149,"_121":149,"_45":265,"_123":145},{"_151":152,"_153":64,"_154":155},"tagsTree",[268],{"_43":143,"_57":144,"_59":145,"_146":147,"_148":-5,"_119":149,"_121":149,"_45":269,"_123":145,"_156":270},{"_151":152,"_153":64,"_154":155},[271],{"_43":159,"_57":160,"_59":161,"_146":147,"_148":143,"_119":162,"_121":162,"_45":272,"_123":166,"_156":273},{"_151":164,"_153":64,"_154":165},[274],{"_43":169,"_57":170,"_59":171,"_146":147,"_148":159,"_119":172,"_121":172,"_45":275,"_123":171,"_156":276},{"_151":174,"_153":64,"_154":165},[277],{"_43":177,"_57":178,"_59":179,"_146":147,"_148":169,"_119":180,"_121":180,"_45":278,"_123":179,"_156":279},{"_151":64,"_153":64,"_154":165},[],"videoDislikes",{},"videoLikes",{},"actionData","errors"]

Comentários