% Define the voltage source
Vs = 1;
% Define the capacitor in the circuit
L=0.2;

% Define the time lapse that we're going to explore
t = 0:0.00001: 0.002;


% Define the resistors in each time constant and
% calculate the voltage across the capacitor


%L1=100e-3;
R1=500;
V1 = Vs * exp(-R1*t/L);



%L2=200e-3;
R2=1000;
V2 = Vs * exp(-R2*t/L);


%L3=300e-3;
R3=1500;
V3 = Vs * exp(-R3*t/L);


% Plot the responses, all at once
plot(t, V1, 'k-', t, V2, 'b', t, V3, 'r')
grid on
title('Oscylogram dla układu RL')
xlabel('Czas (s)')
ylabel('Napięcie (V)')
legend(['RL_1 = ' num2str(R1),' Om, ' num2str(L), 'H'],...
       ['RL_2 = ' num2str(R2),' Om, ' num2str(L), 'H'],...
       ['RL_3 = ' num2str(R3),' Om, ' num2str(L), 'H'], 'location', 'best')