Rlc - laboratório de física 3
Acadêmicos:
2010/02 Joinville – SC
1) Nas medidas experimentais realizadas, obtivemos os seguintes valores experimentais associados aos respectivos erros: f (Hz) 100 ± 5 150 ± 5 200 ± 5 250 ± 5 300 ± 5 350 ± 5 400 ± 5 450 ± 5 500 ± 5 550 ± 5 600 ± 5 650 ± 5 700 ± 5 750 ± 5 800 ± 5 850 ± 5 900 ± 5 950 ± 5 1000 ± 5 1100 ± 50 1200 ± 50 1300 ± 50 1400 ± 50 1500 ± 50 I (mA) 11.71 ± 0.1 13.13 ± 0.1 13.30 ± 0.1 13.25 ± 0.1 13.23 ± 0.1 13.20 ± 0.1 13.19 ± 0.1 13.01 ± 0.1 12.79 ± 0.1 12.60 ± 0.1 11.92 ± 0.1 11.69 ± 0.1 11.46 ± 0.1 11.02 ± 0.1 10.76 ± 0.1 10.56 ± 0.1 10.18 ± 0.1 9.96 ± 0.1 9.74 ± 0.1 8.82 ± 0.1 8.52 ± 0.1 8.29 ± 0.1 8.06 ± 0.1 7.68 ± 0.1 VR (V) 0.811 ± 0.004 0.881 ± 0.004 0.893 ± 0.004 0.895 ± 0.004 0.882 ± 0.005 0.879 ± 0.004 0.878 ± 0.004 0.869 ± 0.004 0.865 ± 0.004 0.851 ± 0.004 0.804 ± 0.004 0.791 ± 0.004 0.776 ± 0.004 0.747 ± 0.004 0.732 ± 0.004 0.716 ± 0.003 0.691 ± 0.003 0.678 ± 0.003 0.66 ± 0.003 0.602 ± 0.003 0.581 ± 0.003 0.566 ± 0.003 0.551 ± 0.003 0.526 ± 0.003 VL (V) 0.762 ± 0.004 0.855 ± 0.004 0.919 ± 0.005 0.971 ± 0.005 1.051 ± 0.005 1.111 ± 0.006 1.167 ± 0.006 1.243 ± 0.006 1.314 ± 0.007 1.364 ± 0.007 1.375 ± 0.007 1.426 ± 0.007 1.482 ± 0.007 1.493 ± 0.007 1.550 ± 0.008 1.589 ± 0.008 1.594 ± 0.008 1.630 ± 0.008 1.662 ± 0.008 1.697 ± 0.008 1.740 ± 0.009 1.772 ± 0.009 1.797 ± 0.009 1.842 ± 0.009 Vc (V) 0.851 ± 0.004 0.682 ± 0.003 0.544 ± 0.003 0.445 ± 0.002 0.391 ± 0.002 0.343 ± 0.002 0.297 ± 0.001 0.264 ± 0.001 0.237 ± 0.001 0.217 ± 0.001 0.191 ± 0.001 0.176 ± 0.001 0.16 ± 0.001 0.148 ± 0.001 0.136 ± 0.001 0.127 ± 0.001 0.118 ± 0.001 0.111 ± 0.001 0.105 ± 0.001 0.085 ± 0.0004 0.079 ± 0.0004 0.075 ± 0.0004 0.069 ± 0.0003 0.063 ± 0.0003
2) Através dos dados experimentais, podemos então traçar um gráfico I x f, como é mostrado a seguir:
14
Corrente (mA)
7
0 0 500 Frequência (Hz) 1000 1500
( ) pode ser Vamos escrever o circuito na forma fasorial.