Faraday's Displacement Flux Experiment

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The Faraday's Displacement Flux Experiment involves an inner sphere charged with +Q and an outer grounded sphere that acquires a charge of -Q. The grounding of the outer sphere allows it to neutralize the positive charge from the inner sphere, resulting in the induced negative charge. The displacement flux is responsible for this induced charge, as it creates an electric field that influences the outer sphere. Clarification is sought regarding the grounding step and the reasoning behind the induced charge on the outer sphere. Understanding these concepts is essential for grasping the experiment's implications in electrostatics.
esogues
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Faraday's Displacement Flux Experiment:
Hi,
I am having trouble understanding the experiment.

http://books.google.com.tr/books?id=r_rDg_E97MEC&pg=SA16-PA10&lpg=SA16-PA10&dq=displacement+flux+experiment&source=bl&ots=fWpfEu2G5f&sig=aNaYtkIfPmRo1CInc3-9noFQxkY&hl=tr&sa=X&ei=gX7nUeD4BJCMswbx1oCgAQ&ved=0CDkQ6AEwAw

Summary:
1) Inner sphere is charged with +Q
2) Outer sphere is grounded.
3) Charged of the outer sphere is found to be -Q.
4) Conclusion: displacement flux makes outer sphere charged with -Q.

I don't understand the grounding step and conclusion.
Can anybody explain the expremient more clearly?
Thank you...
 
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Reason of the induceed charge -Q on the outer sphere?
 
esogues said:
http://books.google.com.tr/books?id=r_rDg_E97MEC&pg=SA16-PA10&lpg=SA16-PA10&dq=displacement+flux+experiment&source=bl&ots=fWpfEu2G5f&sig=aNaYtkIfPmRo1CInc3-9noFQxkY&hl=tr&sa=X&ei=gX7nUeD4BJCMswbx1oCgAQ&ved=0CDkQ6AEwAw

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