Electric field at a point of distance r from a uniformly charged wire of infinite length having linear charge density `lambda` is directly proportional to

Electric field at a point of distance from a uniformly charged wire of infinite length having linear charge density lambda is directly proportional to

Obtain the expression of electric field by a straight wire of infinite length and with linear charge density lambda .

The electric field at a distance r from a long wire having charge per unit length lambda is

Let E_1(r) , E_2(r) and E_3(r) be the respectively electric field at a distance r from a point charge Q , an infinitely long wire with constant linear charge density lambda , and an infinite plane with uniform surface charge density sigma . If E_1(r_0)=E_2(r_0)=E_3(r_0) at a given distance r_0 , then

Let E_1(r) , E_2(r) and E_3(r) be the respectively electric field at a distance r from a point charge Q , an infinitely long wire with constant linear charge density lambda , and an infinite plane with uniform surface charge density sigma . If E_1(r_0)=E_2(r_0)=E_3(r_0) at a given distance r_0 , then

Let E_1(r) , E_2(r) and E_3(r) be the respectively electric field at a distance r from a point charge Q , an infinitely long wire with constant linear charge density lambda , and an infinite plane with uniform surface charge density sigma . If E_1(r_0)=E_2(r_0)=E_3(r_0) at a given distance r_0 , then

The electric field at distance .r. from infinte line of charge ("having linear charge density" lambda) is

Intensity of electric field at a point at a perpendicular distance .r. from an infinite line charge, having linear charge density .lambda. is given by :