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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 1 - Electric Charges and Fields > A long thread carrying a uniform charge λ per unit length has the configuration shown in the figure. An element of charge q is cut from the thread. The cutting portion is shown as small gap (AB). The electric field at the point O is

A long thread carrying a uniform charge λ per unit length has the configuration shown in the figure. An element of charge q is cut from the thread. The cutting portion is shown as small gap (AB). The electric field at the point O is

If a conductor encloses a charge then in equilibrium :