A student working in the physics laboratory connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 230 V. Assume a plate separation of d= 1.64 cm and a plate area of A = 25.0 cm. Whe the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0. (a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before after Q; = PC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. F AV; = (c) Determine the change in energy (in nJ) of the capacitor. AU = (d) What If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 230 V potential difference. Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before PC after Qf = Determine the capacitance (in F) and potential difference (in V) after immersion. C; - AV; - Determine the change in energy (in n)) of the capacitor. AU =
A student working in the physics laboratory connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 230 V. Assume a plate separation of d= 1.64 cm and a plate area of A = 25.0 cm. Whe the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0. (a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before after Q; = PC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. F AV; = (c) Determine the change in energy (in nJ) of the capacitor. AU = (d) What If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 230 V potential difference. Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before PC after Qf = Determine the capacitance (in F) and potential difference (in V) after immersion. C; - AV; - Determine the change in energy (in n)) of the capacitor. AU =
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Transcribed Image Text:A student working in the physics laboratory connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 230 V. Assume a plate separation of d = 1.64 cm and a plate area of A = 25.0 cm2. When
the battery
removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0.
(a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.)
before
Q; =
pC
after
Of =
pC
(b) Determine the capacitance (in F) and potential difference (in V) after immersion.
C; =
AV; =
V
(c) Determine the change in energy (in nJ) of the capacitor.
AU =
(d) What If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 230 V potential difference.
Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.)
before
Q; =
|pc
after
Qf =
pC
Determine the capacitance (in F) and potential difference (in V) after immersion.
C; =
AV; =
Determine the change in energy (in n) of the capacitor.
Δυ-
nJ
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