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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 1 - Electric Charges and Fields > A small element l is cut from a circular ring of radius a and λ charge per unit length. The net electric field at the centre of ring is

A small element l is cut from a circular ring of radius a and λ charge per unit length. The net electric field at the centre of ring is

A small element l is cut from a circular ring of radius a and λ charge per unit length. The net electric field at the centre of ring is