#include <stdio.h>
#include <math.h>
 
#define V_INITIAL 5.0  // Initial voltage in volts
#define R 10000        // Resistance in ohms (10kΩ)
#define C 0.000001     // Capacitance in farads (1µF)
#define TIME_MAX 0.05  // Maximum time in seconds
#define TIME_STEP 0.002 // Time step for plotting
 
void plotGraph();
 
int main() {
    plotGraph();
    return 0;
}
 
void plotGraph() {
    double t, V;
    printf("\nRC Circuit Discharging Voltage\n");
    printf("Time (s)   Voltage (V)\n");
    printf("----------------------\n");
 
    for (t = 0; t <= TIME_MAX; t += TIME_STEP) {
        V = V_INITIAL * exp(-t / (R * C));
        printf("%8.3f   %6.3f | ", t, V);
 
        int barLength = (int)(V / V_INITIAL * 50); // Scale for ASCII plot
        for (int i = 0; i < barLength; i++) {
            printf("#");
        }
        printf("\n");
    }
}
 

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