plot a 10 turn coil and its magnetic field in matlab
main.m
% Define parametersr = 1; % radius of the coilturns = 10; % number of turnscurrent = 1; % current in the coilres = 100; % resolution of the plot% Create a 10-turn coiltheta = linspace(0, 10*2*pi, res);
x = r * cos(theta);
y = r * sin(theta);
z = current * (0:(res-1)) / res;
% Plot the coilfigure;
plot3(x, y, z, 'b', 'LineWidth', 2);
hold on;
% Calculate the magnetic field and plot it[X,Y,Z] = meshgrid(-2*r:0.1:2*r, -2*r:0.1:2*r, 0:0.1:1);
Bx = zeros(size(X));
By = zeros(size(Y));
Bz = zeros(size(Z));
fori = 1:numel(x)
rp = sqrt((X-x(i)).^2 + (Y-y(i)).^2);
Bx = Bx + current * (Y-y(i)) ./ rp.^3;
By = By - current * (X-x(i)) ./ rp.^3;
endquiver3(X, Y, Z, Bx, By, Bz, 'r');
xlabel('X');
ylabel('Y');
zlabel('Z');
title('Magnetic Field of a 10-turn Coil');
grid on;
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This MATLAB code defines a 10-turn coil and plots its structure as well as the associated magnetic field using quiver3 function for visualization.