Practica De Lab

Tiempo(s) | Voltaje (V) | Corriente (µA) |
0 | 0 | 150 |
20 | 0.65 | 135 |
40 | 1.12 | 121 |
60 | 1.49 | 105 |
80 | 1.92 | 97 |
100 | 2.27 | 80 |
120 | 2.49 |77 |
140 | 2.79 | 67 |
160 | 3.05 | 60 |
180 | 3.30 | 58 |
200 | 3.40 | 48 |
220 | 3.56 | 44 |
240 | 3.62 | 40 |
260 | 3.84 | 35 |
280 | 4.01 | 31 |
300 |4.12 | 28 |
320 | 4.20 | 26 |
340 | 4.26 | 24 |
360 | 4.32 | 21 |
380 | 4.40 | 20 |
400 | 4.45 | 17 |
420 | 4.50 | 16 |
440 | 4.55 | 16 |
460 | 4.57 | 15 |480 | 4.60 | 15 |
500 | 4.62 | 14 |
520 | 4.63 | 14 |
540 | 4.65 | 13 |
Datos
Tabla No.1 Carga circuito RC Tabla No.2 descarga circuito RC
Tiempo(s) | Voltaje (V)| Corriente (µA) |
0 | 4.65 | -132 |
20 | 4.23 | -121 |
40 | 3.75 | -108 |
60 | 3.25 | -97 |
80 | 2.90 | -86 |
100 | 2.62 | -76 |
120 | 2.20 | -67 |
140 | 1.95| -59 |
160 | 1.73 | -51 |
180 | 1.60 | -47 |
200 | 1.40 | -41 |
220 | 1.22 | -37 |
240 | 1.10 | -33 |
260 | 0.92 | -29 |
280 | 0.82 | -25 |
300 | 0.78 | -23|
320 | 0.66 | -19 |
340 | 0.60 | -17 |
360 | 0.55 | -15 |
380 | 0.46 | -14 |
400 | 0.43 | -12 |

Cálculos
Para determinar la capacitancia se utilizó el programaQtiPlot, con el cual se determino la constante del tiempo.
Formula: V*(1-e-xt)
5 v*(1-e-xt)

Capacitancia neta del circuito RC:

τ=RC=RCconocida-Cexpermiental101.002 s= 32800Ohms(8.91mF-Cexp.)

Resultados


Capacitancias |
Capacitancia | 0.0089089 | 1.65E-5 | Capacitor No conectado |
Capacitancia | 0.0027997 | 1.46E-5| Capacitor Conectado |
Capacitancias | 0.00610928 | 2.26E-6 | Capacitancia Experimental |
Tabla No.3 Capacitancia del capacitor experimental, según ecuación Qtiplot.