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Amplificador.

",{"_43":86,"_81":87,"_83":88},"8f6c4d6d-1991-42b4-9d0e-841194a1a67d","B","

Retificador.

",{"_43":90,"_81":91,"_83":92},"1ff977b2-4ea8-4f5e-8ffe-f66464a99548","C","

Ceifador.

",{"_43":94,"_81":95,"_83":96},"8842316d-fbfb-4204-862c-fc28364379db","D","

Inversor.

",{"_43":98,"_81":99,"_83":100},"8bd397c6-47e9-4666-b526-6f012797a9c0","E","

Divisor.

","solution_explanation","statement","

Em fontes de alimentação, qual a aplicação do diodo para transformar nível de tensão alternada em contínua?

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Conversor A/C.

",{"_43":210,"_81":87,"_83":217},"

Conversor D/A.

",{"_43":219,"_81":91,"_83":220},"b0a43708-2eaa-431e-9f5a-5e670c310b88","

Conversor DC/AC.

",{"_43":222,"_81":95,"_83":223},"621496f0-8bcd-4170-ac79-f029b61cf7c4","

Conversor AC/DC.

",{"_43":225,"_81":99,"_83":226},"82beb153-62b5-4492-a5b4-4b250e984761","

Nenhuma das respostas acima.

","

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

",[229],{"_43":174,"_57":175,"_59":176,"_150":151,"_152":164,"_123":177,"_125":177,"_45":178,"_127":176},{"_40":231,"_42":41,"_43":232,"_77":233,"_101":243,"_102":244,"_51":245},"22d7bbd3-763e-4f0a-b27b-99a913a98b51","b72f32d4-8e5c-4b78-8ca1-fffb9133beaf",[234,236,237,239,241],{"_43":235,"_81":82,"_83":82},"0d271c5e-75f4-4f80-9070-ec6e61f920b4",{"_43":231,"_81":87,"_83":87},{"_43":238,"_81":91,"_83":91},"b0005922-c0f4-41ed-b76f-782d257efeca",{"_43":240,"_81":95,"_83":95},"09ae6274-a5a4-4dd6-b758-fd3d202facb4",{"_43":242,"_81":99,"_83":99},"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?

",[229],[229,247,248,249],{"_43":182,"_57":183,"_59":184,"_150":151,"_152":174,"_123":185,"_125":185,"_45":186,"_127":184},{"_43":164,"_57":165,"_59":166,"_150":151,"_152":147,"_123":167,"_125":167,"_45":168,"_127":171},{"_43":147,"_57":148,"_59":149,"_150":151,"_152":-5,"_123":153,"_125":153,"_45":154,"_127":149},"tagsTree",[146],"videoDislikes",{},"videoLikes",{},"actionData","errors"]

Comentários