Write a MATLAB program to plot the following: a. The magnitude of the electric field along the central axis of a uniformly charged circular ring of radium 1 m and charge density 1 C/m. Assume that the ring is centred around the Z –axis.

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Sai Hitesh Gorantla
评论： David Goodmanson 2020-2-25
Is my code is correct?
Code:
lambda = 1;
R = 1;
k = 9e9;
n = input('Enter the value of z:');
z = -n:1:n;
E = ((2*pi*k*lambda*R*z)./((R.^2+z.^2).^1.5));
plot(z,E)
title("Electric Field Along z-axis");
xlabel('z-axis (in metres)');
ylabel('E-field (in N/C)');
  2 个评论
Rik
Rik 2020-2-24
This time I edited your question for you. Next time, please use the tools explained on this page to make your question more readable.
You can find guidelines for posting homework on this forum here.
David Goodmanson
David Goodmanson 2020-2-25
Hi Sai,
the code looks good although I would say that points are inexpensive so -n : .01 : n looks much better. 'grid on' at the very end looks even better.

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