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Net electric field inside the metal …

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Net electric field inside the metal becomes zero when it is in electostatic condition. Why ?
  • 2 answers

Every Solution 6 years, 4 months ago

The free charges of metal start random motion and arrange themselves in such a way that they produced field which cancel out the external electric field thats why the net electric field inside the metal became zero

Nishita Yadav 6 years, 4 months ago

In electrostatics free charges in a good conductor reside only on the surface and no free charges are present inside the conductor. 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. electrostatic fields are always perpendicular to the conductors surface. Otherwise this would produce a force on the charge carriers inside the conductor and so the field would not be static as we assume and will violate the law of electrostatics. The electrostatic field at the conductor's surface is proportional to the surface charge, i.e. does not depend on the charge carriers inside the conductor.
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