The general form of Gauss's law describes how a charge cre- ates an electric field in a material, as well as in vacuum: Tin E · dA = where e = Ke, is the permittivity of the material. (a) A sheet with charge Q uniformly distributed over its area A is sur- rounded by a dielectric. Show that the sheet creates a uni- form electric field at nearby points with magnitude E = Q/2 Ae. (b) Two large sheets of area A, carrying opposite charges of equal magnitude Q, are a small distance d apart. Show that they create uniform electric field in the space between them with magnitude E = Q/Ae. (c) Assume the negative plate is at zero potential. Show that the positive plate is at potential Qd/Ae. (d) Show that the capacitance of the pair of plates is given by C = Ae/d = KA€,/d.
The general form of Gauss's law describes how a charge cre- ates an electric field in a material, as well as in vacuum: Tin E · dA = where e = Ke, is the permittivity of the material. (a) A sheet with charge Q uniformly distributed over its area A is sur- rounded by a dielectric. Show that the sheet creates a uni- form electric field at nearby points with magnitude E = Q/2 Ae. (b) Two large sheets of area A, carrying opposite charges of equal magnitude Q, are a small distance d apart. Show that they create uniform electric field in the space between them with magnitude E = Q/Ae. (c) Assume the negative plate is at zero potential. Show that the positive plate is at potential Qd/Ae. (d) Show that the capacitance of the pair of plates is given by C = Ae/d = KA€,/d.
Chapter6: Gauss's Law
Section: Chapter Questions
Problem 64P: An aluminum spherical ball of radius 4 cm is charged with 5C of charge. A copper spherical shell of...
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![The general form of Gauss's law describes how a charge cre-
ates an electric field in a material, as well as in vacuum:
Tin
E · dA =
where e = Ke, is the permittivity of the material. (a) A sheet
with charge Q uniformly distributed over its area A is sur-
rounded by a dielectric. Show that the sheet creates a uni-
form electric field at nearby points with magnitude E =
Q/2 Ae. (b) Two large sheets of area A, carrying opposite
charges of equal magnitude Q, are a small distance d apart.
Show that they create uniform electric field in the space
between them with magnitude E = Q/Ae. (c) Assume the
negative plate is at zero potential. Show that the positive
plate is at potential Qd/Ae. (d) Show that the capacitance of
the pair of plates is given by C = Ae/d = KA€,/d.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c7fe39e-d278-4b8e-b0bb-f5f9b0ff7fdc%2Fae253b2b-3d30-479b-ac55-5317b4862205%2Fnoe6pvl.png&w=3840&q=75)
Transcribed Image Text:The general form of Gauss's law describes how a charge cre-
ates an electric field in a material, as well as in vacuum:
Tin
E · dA =
where e = Ke, is the permittivity of the material. (a) A sheet
with charge Q uniformly distributed over its area A is sur-
rounded by a dielectric. Show that the sheet creates a uni-
form electric field at nearby points with magnitude E =
Q/2 Ae. (b) Two large sheets of area A, carrying opposite
charges of equal magnitude Q, are a small distance d apart.
Show that they create uniform electric field in the space
between them with magnitude E = Q/Ae. (c) Assume the
negative plate is at zero potential. Show that the positive
plate is at potential Qd/Ae. (d) Show that the capacitance of
the pair of plates is given by C = Ae/d = KA€,/d.
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