4. A parallel-plate capacitor in air has a plate separation of 1.35 cm and a plate area of 35.0 cm2. The plates are charged to a potential difference of 150 V and disconnected from the source. The capacitor is then

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4. A parallel-plate capacitor in air has a plate separation of 1.35 cm and a plate area of 35.0 cm2. The plates
are charged to a potential difference of 150 V and disconnected from the source. The capacitor is then
immersed in distilled water. Assume the liquid is an insulator. Determine:
the charge on the plates before and after immersion
b. the capacitance and potential difference after immersion
the change in energy of the capacitor after immersion
а.
C.
Transcribed Image Text:4. A parallel-plate capacitor in air has a plate separation of 1.35 cm and a plate area of 35.0 cm2. The plates are charged to a potential difference of 150 V and disconnected from the source. The capacitor is then immersed in distilled water. Assume the liquid is an insulator. Determine: the charge on the plates before and after immersion b. the capacitance and potential difference after immersion the change in energy of the capacitor after immersion а. C.
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