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agilleland agilleland
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6 years ago
The electric field just outside the surface of a hollow conducting sphere of radius 20 cm has a magnitude of 500 N/C and is directed outward. An unknown charge Q is introduced into the center of the sphere and it is noted that the electric field is still directed outward but has decreased to 100 N/C. What is the magnitude of the charge Q?
 a. 1.5 nC
  b. 1.8 nC
  c. 1.3 nC
  d. 1.1 nC
  e. 2.7 nC
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Flamebrain920Flamebrain920
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6 years ago
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