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A conductor is placed in an external electrostatic field. The external field is uniform before the conductor is placed within it.The conductor is completely isolated from any source of current or charge.

PART A)

Which of the following describes the electric field inside this conductor?
 
  It is in the same direction as the original external field.
  It is in the opposite direction from that of the original external field.
  It has a direction determined entirely by the charge on its surface.
  It is always zero.


PART B)

The charge density inside the conductor is:
 
  0
  non-zero;but uniform
  non-zero;non-uniform
  infinite


PART C)

Assume that at some point just outside the surface of the conductor, the electric field has magnitudeE and is directed toward the surface of the conductor. What is the charge density eta on the surface of the conductor at that point?
Express your answer in terms ofE and epsilon_0.
eta =

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Supratim Pal
Supratim PalLv10
28 Sep 2020

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