Electric Field?

  • Thread starter DrMcDreamy
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  • #1
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Homework Statement



This is a two part problem:

3- A conducting spherical shell of radius 19 cm carries a net charge of −8.15 μC uniformly distributed on its surface. Find the electric field at points just outside the shell. (Take the radially outward direction to be positive.) Answer in units of N/C.

Homework Equations



E = k[tex]\frac{F}{q}[/tex]

The Attempt at a Solution



E=k[tex]\frac{8.15x10^-6 C}{(.19 m)^2}[/tex]=
E= 2.03x10^6[tex]\frac{Nm}{C}[/tex]

4- Find the electric field at points inside the shell. Answer in units of N/C.

I am not sure how to do this part.
 

Answers and Replies

  • #2
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The answer I had gotten (2.03e6) is wrong. Why?
 
  • #3
68
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The charge is negative.
 

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