derive formula for electric field intensity dur to charge senior circular wire at centre
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Let E be the electric field at point A due to the wire, X Y. Consider a small length element d x on the wire section with O Z = x. Let q be the charge on this piece. ∴ q = λ d x. Electric field due to the piece, d E = 4 π ∈ 0 1 (A Z) 2 λ d x However, A Z = (l 2 + x 2) ∴ d E = 4 π ∈ 0 (l 2 + x 2) λ d x The electric field is resolved ...
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