anonymous
  • anonymous
Why is it logical to say that potential of an earth connected object is zero?What can be said about the change on earth?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Shayaan_Mustafa
  • Shayaan_Mustafa
For this question, you should be familiar to Gauss's law. According to Gauss's law, electric potential due to charge inside the hollow sphere or solid sphere is zero. Also, I assumed that you know that our Earth is a conductor. Hence when two objects(conductors) are connected together, they transfer charges from unstable state to stable state. Therefore, our Earth has zero potential. If an object is connected to it then its charge goes to Earth(a conductor) and an object has zero potential. I hope that it could be understandable. Since, I am not a good teacher. :p Regards, Read my Profile. :)
unicorn
  • unicorn
what ever comment made by Shayaan_Mustafa doesn't satisfied me at all first of all shayaan you said when two conductor are connected there is transfer of charge always but what i know, nothing can be said what happen to the charge distribution when two conductor are connected the only thing that can be said for conformly is that there potential will become equal .(what yours taught when two conducting sphere identical in all respect are connected initially uncharged would happens ) . and second thing what actually you meant by saying that charge would transfer from unstable state to stable state that actually totally rubbished transfer of charge between body only takes place because of potential difference . now to the question if we assume that the earth is uncharged its potential will be zero .though its not actually uncharged it has small amount of negative charge but too small and therefor is at constant potential V .all conductor which are not given any external charge are also very nearly at the same potential .so potential of earth is often taken to be zero .Also if small amount of charge is given to the earth or taken away from it its potential does not changes by appreciable amount because of large size of earth. so whenever a charged body is connected to earth there potential becomes zero as earth is at zero potential all charges from body flows to the earth
Shayaan_Mustafa
  • Shayaan_Mustafa
"first of all shayaan you said when two conductor are connected there is transfer of charge always but what i know, nothing can be said what happen to the charge distribution when two conductor are connected the only thing that can be said for conformly is that there potential will become equal .(what yours taught when two conducting sphere identical in all respect are connected initially uncharged would happens ) . " What did you try to say i this paragraph? I really couldn't understand. During the basic course of Electronics engineering, Physics volume 2 by Halliday, Resnick and Krane was recommended us from where I made above statement. Anything else?

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Shayaan_Mustafa
  • Shayaan_Mustafa
"and second thing what actually you meant by saying that charge would transfer from unstable state to stable state that actually totally rubbished transfer of charge between body only takes place because of potential difference ." Don't you know the definition of potential difference? It is a work done on the charge. And in terms of semiconductor physics and according to Fermi Dirac Statistics, electrons at Fermi level are considered to be as in conduction band and this refers to the unstable state. After applying potential electrons leave hole behind them and move to an other atom.
unicorn
  • unicorn
ok Shayaan whatever you made comment above is that justify yours solution
Shayaan_Mustafa
  • Shayaan_Mustafa
ok unicorn. Actually, I have much much much interest in physics. therefore whenever i say anything about physics then I surely make my mind that it would not go wrong. Just believe on yourself.
unicorn
  • unicorn
that's what i want to here form you and that what physics is about i salut yours spirit
Shayaan_Mustafa
  • Shayaan_Mustafa
thanks.

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