In Gauss's Law, why do we use and infinitely long cylinder carrying a charge +q What difference does - Physics -

Question

In Gauss's Law, why do we use and infinitely long cylinder
carrying a charge +q ? What difference does it make by using an
infinite conductor? Why not a finite one?

Kavita · Answer

Exactly I too have same question
May be we should just consider it

In Gauss's Law, why do we use and infinitely long cylinder carrying a charge +q ? What difference does it make by using an infinite conductor? Why not a finite one?