Charge distribution in the wires and resistor, in a DC circuit

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1) How do the electrons in a wire with 0 or negligible resistance arrange themselves in order to make the field in the wire 0?



2) The electric potential drop across a resistor is far more than compared to that in a wire. This means that the field in the resistor is greater than that in the wires. How does this happen inside a resistor?






electric-circuits electric-fields electric-current electrical-resistance conductors







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    up vote
    3
    down vote

    favorite












    1) How do the electrons in a wire with 0 or negligible resistance arrange themselves in order to make the field in the wire 0?



    2) The electric potential drop across a resistor is far more than compared to that in a wire. This means that the field in the resistor is greater than that in the wires. How does this happen inside a resistor?






    electric-circuits electric-fields electric-current electrical-resistance conductors







    share|cite|improve this question









    New contributor




    Aditya Ahuja is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.





















      up vote
      3
      down vote

      favorite









      up vote
      3
      down vote

      favorite











      1) How do the electrons in a wire with 0 or negligible resistance arrange themselves in order to make the field in the wire 0?



      2) The electric potential drop across a resistor is far more than compared to that in a wire. This means that the field in the resistor is greater than that in the wires. How does this happen inside a resistor?






      electric-circuits electric-fields electric-current electrical-resistance conductors







      share|cite|improve this question









      New contributor




      Aditya Ahuja is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      1) How do the electrons in a wire with 0 or negligible resistance arrange themselves in order to make the field in the wire 0?



      2) The electric potential drop across a resistor is far more than compared to that in a wire. This means that the field in the resistor is greater than that in the wires. How does this happen inside a resistor?






      electric-circuits electric-fields electric-current electrical-resistance conductors




      electric-circuits electric-fields electric-current electrical-resistance conductors






      share|cite|improve this question









      New contributor




      Aditya Ahuja is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|cite|improve this question









      New contributor




      Aditya Ahuja is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      edited 4 hours ago









      Qmechanic♦

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      asked 5 hours ago









      Aditya Ahuja

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          1 Answer
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          I really like this paper for this topic:
          https://www.tu-braunschweig.de/Medien-DB/ifdn-physik/ajp000782.pdf



          As the title says it is “A semiquantitative treatment of surface charges in DC circuits” (Rainer Mueller).



          Surface charges accumulate wherever there is a sudden change in the direction of the electric field lines from inside the wire to outside. Overall, you tend to get positive charge accumulating near the positive terminal and negative charges accumulating near the negative terminal, and you have both positive and negative charges accumulate on opposite sides of the wire near bends.



          Unfortunately, there is no one simple overall statement about the distribution. The charge distribution depends strongly on the geometry of the circuit layout. Circuit theory neglects the geometry of the circuit layout. So you need to use Maxwell’s equations which depend on the geometry.






          share|cite|improve this answer




















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            1 Answer
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            active

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            2
            down vote













            I really like this paper for this topic:
            https://www.tu-braunschweig.de/Medien-DB/ifdn-physik/ajp000782.pdf



            As the title says it is “A semiquantitative treatment of surface charges in DC circuits” (Rainer Mueller).



            Surface charges accumulate wherever there is a sudden change in the direction of the electric field lines from inside the wire to outside. Overall, you tend to get positive charge accumulating near the positive terminal and negative charges accumulating near the negative terminal, and you have both positive and negative charges accumulate on opposite sides of the wire near bends.



            Unfortunately, there is no one simple overall statement about the distribution. The charge distribution depends strongly on the geometry of the circuit layout. Circuit theory neglects the geometry of the circuit layout. So you need to use Maxwell’s equations which depend on the geometry.






            share|cite|improve this answer
























              up vote
              2
              down vote













              I really like this paper for this topic:
              https://www.tu-braunschweig.de/Medien-DB/ifdn-physik/ajp000782.pdf



              As the title says it is “A semiquantitative treatment of surface charges in DC circuits” (Rainer Mueller).



              Surface charges accumulate wherever there is a sudden change in the direction of the electric field lines from inside the wire to outside. Overall, you tend to get positive charge accumulating near the positive terminal and negative charges accumulating near the negative terminal, and you have both positive and negative charges accumulate on opposite sides of the wire near bends.



              Unfortunately, there is no one simple overall statement about the distribution. The charge distribution depends strongly on the geometry of the circuit layout. Circuit theory neglects the geometry of the circuit layout. So you need to use Maxwell’s equations which depend on the geometry.






              share|cite|improve this answer






















                up vote
                2
                down vote










                up vote
                2
                down vote









                I really like this paper for this topic:
                https://www.tu-braunschweig.de/Medien-DB/ifdn-physik/ajp000782.pdf



                As the title says it is “A semiquantitative treatment of surface charges in DC circuits” (Rainer Mueller).



                Surface charges accumulate wherever there is a sudden change in the direction of the electric field lines from inside the wire to outside. Overall, you tend to get positive charge accumulating near the positive terminal and negative charges accumulating near the negative terminal, and you have both positive and negative charges accumulate on opposite sides of the wire near bends.



                Unfortunately, there is no one simple overall statement about the distribution. The charge distribution depends strongly on the geometry of the circuit layout. Circuit theory neglects the geometry of the circuit layout. So you need to use Maxwell’s equations which depend on the geometry.






                share|cite|improve this answer












                I really like this paper for this topic:
                https://www.tu-braunschweig.de/Medien-DB/ifdn-physik/ajp000782.pdf



                As the title says it is “A semiquantitative treatment of surface charges in DC circuits” (Rainer Mueller).



                Surface charges accumulate wherever there is a sudden change in the direction of the electric field lines from inside the wire to outside. Overall, you tend to get positive charge accumulating near the positive terminal and negative charges accumulating near the negative terminal, and you have both positive and negative charges accumulate on opposite sides of the wire near bends.



                Unfortunately, there is no one simple overall statement about the distribution. The charge distribution depends strongly on the geometry of the circuit layout. Circuit theory neglects the geometry of the circuit layout. So you need to use Maxwell’s equations which depend on the geometry.







                share|cite|improve this answer












                share|cite|improve this answer



                share|cite|improve this answer










                answered 3 hours ago









                Dale

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