A parallel-plate capacitor with capacitance Co stores charge of magnitude Q on plates of area A separated by distance do. The potential difference across the plates is AV. Cnew new and Co If the capacitor is attached to a battery and the charge is quadrupled to 40o, what are the ratios HINT (a) (b) (c) Cnew Co (d) (e) AV new = AVO =1:1 Cnew Co A second capacitor is identical to the first capacitor except the plate area is quadrupled to 4A. If given a charge of Qo, what are the ratios Cnew Co = 4:1 AV new = 1:4 AVO Cnew Co =1:4 X AV new = AVO X Cnew and Co A third capacitor is identical to the first capacitor, except the distance between the plates is quadrupled to 4d. If the third capacitor is then given a charge of Qor what are the ratios 4:1 x X AV new? AVO X X and AV new? AVO AV new? AVO

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A parallel-plate capacitor with capacitance Co stores charge of magnitude Qo on plates of area A separated by distance do. The potential difference across the plates is AV
HINT
If the capacitor is attached to a battery and the charge is quadrupled to 40o, what are the ratios
(a)
(b)
(c)
(d)
Cnew
Co
(e)
(f)
AV new =
AVO
= 1:1
Cnew
Co
A second capacitor is identical to the first capacitor except the plate area is quadrupled to 4A. If given a charge of Qo, what are the ratios
Cnew
Co
= 4:1
AV new
AVO
Cnew
Co
1:4
= 1:4
X
AV new 4:1
AVO
=
X
X
x
Cnew
A third capacitor is identical to the first capacitor, except the distance between the plates is quadrupled to 4d. If the third capacitor is then given a charge of Qo, what are the ratios -
Cnew and
Co
X
AV ne
X
new?
AVO
and
AV new?
AVO
new and
Co
ΔV,
new?
AVO
Transcribed Image Text:A parallel-plate capacitor with capacitance Co stores charge of magnitude Qo on plates of area A separated by distance do. The potential difference across the plates is AV HINT If the capacitor is attached to a battery and the charge is quadrupled to 40o, what are the ratios (a) (b) (c) (d) Cnew Co (e) (f) AV new = AVO = 1:1 Cnew Co A second capacitor is identical to the first capacitor except the plate area is quadrupled to 4A. If given a charge of Qo, what are the ratios Cnew Co = 4:1 AV new AVO Cnew Co 1:4 = 1:4 X AV new 4:1 AVO = X X x Cnew A third capacitor is identical to the first capacitor, except the distance between the plates is quadrupled to 4d. If the third capacitor is then given a charge of Qo, what are the ratios - Cnew and Co X AV ne X new? AVO and AV new? AVO new and Co ΔV, new? AVO
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