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We consider a small element of length dl with a charge dq since the charge is uniformly distributed on the rod.
The electric field at point P due to charge element, dq is:
The charge element, dq is expressed as:
The figure (Figure 1) shows a thin rod of length L with total charge Q. Find an expression for the electric field E at distance X from the end of the rod. Give your answer in component form. Express your answer in terms of the variables Q, L, X, unit vectors i, j, and appropriate constants.
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Based on our data, we think this problem is relevant for Professor Perry's class at TEXAS.