Displacement Current in a Dielectric Suppose that the parallel plates in Fig XXXXXXXXXXhave an area...

Question

Displacement Current in a Dielectric Suppose that the parallel plates in Fig XXXXXXXXXXhave an area of 3.00 cm2 and are separated by a 2.50-mm-thick sheet of dielectric that completely fills the volume between the plates, the dielectric has dielectric constant XXXXXXXXXXYou can ignore fringing effects.) At a certain instant, the potential difference between the plates is 120 V and the conduction current ic equals 6.00mA. At this instant, what are?
(a) The charge q on each plate;
(b) The rate of change of charge on the plates;
(c) The displacement current in the dielectric?

David · Accepted Answer

a) 
The capacity of the capacitor is: 
C = Q/V    →   Q = C*V       (1) 
Depending on the dimensions of the capacitor, the capacity is: 
C = Ԑ0ԐS/d 
Ԑ, is the permittivity of the dielectric. 
S, is the area of the plates. 
d, is the distance between the plates.

Displacement Current in a Dielectric Suppose that the parallel plates in Fig XXXXXXXXXXhave an area of 3.00 cm2 and are separated by a 2.50-mm-thick sheet of dielectric that completely fills the...

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