Question

Why is electric field intensity inside a charged conductor zero ?

Answer 1

Answer:

In electrostatics free charges in a good conductor reside only on the surface. So the free charge inside the conductor is zero. So the field in it is caused by charges on the surface. Since charges are of the same nature and distribution is UNIFORM, the electric fields cancel each other.

Answer 2

Answer:

electric field intensity in a charged conductor is zero because in a good conductor, the charges always go and settle on the conductors surface, hence leaving zero charge inside, leading to zero electric field. That is a property of a good conductor because it allows charges to freely travel and arrange themselves in the most stable position(which happens to be on and around the surfce)

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