{"title":"Questão 102 - ENEM 2021","index":102,"discipline":"ciencias-natureza","language":null,"year":2021,"context":"É possível ligar aparelhos elétricos de baixa corrente utilizando materiais comuns de laboratório no lugar das tradicionais pilhas. A ilustração apresenta uma montagem que faz funcionar um cronômetro digital.\n\n![](https://enem.dev/2021/questions/102/17f47198-3b4c-42ca-bedf-c8b41c41b0d6.jpg)","files":["https://enem.dev/2021/questions/102/17f47198-3b4c-42ca-bedf-c8b41c41b0d6.jpg"],"correctAlternative":"B","alternativesIntroduction":"Utilizando a representação de projetos elétricos, o circuito equivalente a esse sistema é","alternatives":[{"letter":"A","text":null,"file":"https://enem.dev/2021/questions/102/35f28219-f7b0-4365-a7fc-58c08c95b366.jpg","isCorrect":false},{"letter":"B","text":null,"file":"https://enem.dev/2021/questions/102/a1addbaa-02a6-44a3-9499-fec69b941fb5.jpg","isCorrect":true},{"letter":"C","text":null,"file":"https://enem.dev/2021/questions/102/cf629285-ed23-44ed-8e08-fa20b10594c2.jpg","isCorrect":false},{"letter":"D","text":null,"file":"https://enem.dev/2021/questions/102/b1484eea-6e7c-4966-93fb-08f6170457d2.jpg","isCorrect":false},{"letter":"E","text":null,"file":"https://enem.dev/2021/questions/102/be16054b-4b26-4819-b0cb-b9f6b17c3f36.jpg","isCorrect":false}]}