bferguson1938 bferguson1938
  • 27-02-2024
  • Physics
contestada

If the sphere of radius ( a ) has a total charge ( q ) (uniformly distributed inside), then what is the strength of the electric field at ( r = a3 ), in units of ( keqa² )?
a) ( 49 )
b) ( 29 )
c) ( 19 )
d) ( 13 )

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