Question
A parallel-plate air-filled capacitor having area 60 cm2 and plate spacing 4.0 mm is charged to...
A parallel-plate air-filled capacitor having area 60 cm2 and plate spacing 4.0 mm is charged to a potential difference of 450 V. Find
(a) the capacitance,__13.3 pF
(b) the magnitude of the charge on each plate,
___5.985nC
(c) the stored energy,
_____µJ
(d) the electric field between the plates, and
_112500_ V/m
(e) the energy density between the plates.
_(e) the energy density between the plates.
show all work pleas
Homework Answers
Answer #1
[
the energy-density of a capacitor is u=(C*V^2)/(2A*d)=0.056 J/m^3
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