Modelo de prova FCE NP2
Por: hanks • 10/12/2015 • Trabalho acadêmico • 696 Palavras (3 Páginas) • 547 Visualizações
[pic 1] | Lista de Exercícios | |
Curso: ENGENHARIA MECÂNICA | Turma: 6° SEMESTRE | Data: |
Professor | Disciplina: | Nota: |
Nome do aluno: | RA: |
Modelo de prova FCE NP2
1º) – Determine a expressão senoidal para a corrente i2 no circuito da figura sabendo que
v=16x10-³ sen (377t + 0º) v2=3x10-³ sen (377t + 90º) v3=8x10-³ sen (377t + -90º) | [pic 2][pic 3] |
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2º) Na figura 2, vl=100sen (157t+30º) e xl = 50 ohms
a) Determine a expressão senoidal para a corrente Il b) Calcule o valor da indutância l | [pic 4] |
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3º) - Determine a expressão senoidal para tensão aplicada v no sistema visto na figura 1 se:
va=50 sen (wt+30º) vb=50 sen (wt-20º) vc=50 sen (wt+10º) | [pic 5] |
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4°) Na figura 3 lc= 3sen (377t-20º) e xc=400ohms
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