Electric field at a axial distance from the centre of a semi circular ring

Electricity and Magnetism Level 2

Find electric field at a axial distance ( this axis is perpendicular to the plane of semi circular ring ) " x " from cener of a semi circular ring of Radius = R Total charge = Q (uniformly distributed) Let 1/(4π€°) = K

KQ/(πR(√(R^2 +x^2)))sin(πR/(2√(R^2 +x^2))) 2KQ/(πR(√(R^2 +x^2)))sin(πR/(2√(R^2 +x^2))) KQ/(πR(√(R^2 +x^2)))cos(πR/(2√(R^2 +x^2))) 2KQ/(πR(√(R^2 +x^2)))cos(πR/2(√(R^2 +x^2)))

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