The electric field intensity due to a thin infinity long straight wire of uniform linear charge density `lambda` at O is-

State Gauss's law in electrostatics. Use this law to derive an expression for the electric field due to an infinitely long straight wire of linear charge density lamda cm^(-1)

State Gauss's law in electrostatics. Use this law to derive an expression for the electric field due to an infinitely long straight wire of linear charge density lamda cm^(-1)

Obtain the formula for the electric field due to a long thin wire of uniform linear charge density lambda without using Gauss's law. [Hint.use Coulomb's law directly and evaluate the necessary integral ].

Obtain the formula for the electric field due to a long thin wire of uniform linear charge density lambda without using Gauss's law. [Hint. use Coulomb's law directly and evaluate the necessary integral].