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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 17 - Electric Charge and Field > A semi-circular arc of radius ‘a’ is charged uniformly and the charge per unit length is λ. The electric field at its centre is

A semi-circular arc of radius ‘a’ is charged uniformly and the charge per unit length is λ. The electric field at its centre is

A semi-circular arc of radius 'a' is charged uniformly and the charge per unit length is λ. The electric field at its centre is