The voltage across an air-filled parallel-plate capacitor is measured to be V₁ =158.0 V. When a dielectric is inserted and completely fills the space between the plates, as in the figure below, the voltage drops to V₂ = 46.5 V. Dielectric AV AV (a) What is the dielectric constant of the inserted material? Can you identify the dielectric? nylon neoprene rubber teflon paper bakelite O (b) If the dielectric doesn't completely fill the space between the plates, what could you conclude about the voltage across the plates?

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Chapter16: Electrical Energy And Capacitance
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Problem 56P: A parallel-plate capacitor has plates of area A = 7.00 102 m2 separated by distance d = 2.00 104...
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The voltage across an air-filled parallel-plate capacitor is measured to be V₁ =158.0 V. When a dielectric is inserted and completely fills the space between the plates, as in the figure below, the voltage drops to V₂ =46.5 V.
Dielectric
AV
V₁
Can you identify the dielectric?
o nylon
(a) What is the dielectric constant of the inserted material?
O neoprene rubber
O teflon
O paper
bakelite
b
AV
(b) If the dielectric doesn't completely fill the space between the plates, what could you conclude about the voltage across the plates?
Transcribed Image Text:The voltage across an air-filled parallel-plate capacitor is measured to be V₁ =158.0 V. When a dielectric is inserted and completely fills the space between the plates, as in the figure below, the voltage drops to V₂ =46.5 V. Dielectric AV V₁ Can you identify the dielectric? o nylon (a) What is the dielectric constant of the inserted material? O neoprene rubber O teflon O paper bakelite b AV (b) If the dielectric doesn't completely fill the space between the plates, what could you conclude about the voltage across the plates?
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