Q K F A Square parallel plate capacitor with side length I = 60cm and thickness d = 1mm, has charge Q = 18µC shown in the figure. The capacitor is separated from the battery. The insulator with dielectric constant K = 7 pulled out in the +x direction by the applied external force of F. Find the expression of the force F as a function of x for the interval 0

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K
F
A Square parallel plate capacitor with side length I = 60cm and thickness
d = 1mm, has charge Q = 18µC shown in the figure. The capacitor is separated
from the battery. The insulator with dielectric constant K = 7 pulled out in the +x
direction by the applied external force of F. Find the expression of the force F as a
function of x for the interval 0 <x< l. ɛ, = 9x10-12) (All frictions are
Nm2
ignored)
a) F = (3 – 20x)-² (N)
b) F = 9(10 – 40x)-² (N)
c) F = 2(12 – 30x)-2 (N)
d) F = 8(30 – 40x)-² (N)
e) F = 18(21 – 60x)-² (N)
Transcribed Image Text:Q K F A Square parallel plate capacitor with side length I = 60cm and thickness d = 1mm, has charge Q = 18µC shown in the figure. The capacitor is separated from the battery. The insulator with dielectric constant K = 7 pulled out in the +x direction by the applied external force of F. Find the expression of the force F as a function of x for the interval 0 <x< l. ɛ, = 9x10-12) (All frictions are Nm2 ignored) a) F = (3 – 20x)-² (N) b) F = 9(10 – 40x)-² (N) c) F = 2(12 – 30x)-2 (N) d) F = 8(30 – 40x)-² (N) e) F = 18(21 – 60x)-² (N)
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