The plates of an air-filled parallel-plate capacitor with a plate area of 16.5 cm2 and a...
The plates of an air-filled parallel-plate capacitor with a plate area of 16.5 cm2 and a separation of 8.80 mm are charged to a 130-V potential difference. After the plates are disconnected from the source, a porcelain dielectric with κ = 6.5 is inserted between the plates of the capacitor.
(a) What is the charge on the capacitor before and after the dielectric is inserted?
|
Qi |
= | ___C |
|
Qf |
= | ____C |
(b) What is the capacitance of the capacitor after the dielectric
is inserted?
___F
(c) What is the potential difference between the plates of the
capacitor after the dielectric is inserted?
____V
(d) What is the magnitude of the change in the energy stored in the
capacitor after the dielectric is inserted?
____J
Homework Answers
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The plates of an air-filled parallel-plate capacitor with a
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