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A professor designing a class demonstration connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 260 V. Assume a plate separation of d- 1.69 cm and a plate area of A- 25.0 cm?. When 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 pC after pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. Av, - (c) Determine the change in energy (in nJ) of the capacitor. AU =

A professor designing a class demonstration connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 260 V. Assume a plate separation of d- 1.69 cm and a plate area of A- 25.0 cm?. When 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 pC after pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. Av, - (c) Determine the change in energy (in nJ) of the capacitor. AU =

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A professor designing a class demonstration connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 260 V. Assume a plate separation of d- 1.69 cm and a plate area of A- 25.0 cm2. When 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 Q, - pC after pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. Av, - (c) Determine the change in energy (in n) of the capacitor. AU = (d) What I? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 260 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 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. AU- n)
Transcribed Image Text:A professor designing a class demonstration connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 260 V. Assume a plate separation of d- 1.69 cm and a plate area of A- 25.0 cm2. When 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 Q, - pC after pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. Av, - (c) Determine the change in energy (in n) of the capacitor. AU = (d) What I? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 260 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 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. AU- n)
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