When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is 18.5 µJ. While the capacitor is connected to the power supply, a slab of dielectric is inserted that completely fills the space between the plates. This increases the stored energy by 23.2 µJ. (a) What is the potential difference between the capacitor plates? (b) What is the dielectric constant of the slab?
When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is 18.5 µJ. While the capacitor is connected to the power supply, a slab of dielectric is inserted that completely fills the space between the plates. This increases the stored energy by 23.2 µJ. (a) What is the potential difference between the capacitor plates? (b) What is the dielectric constant of the slab?
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Transcribed Image Text:When a 360-nF air capacitor is connected to a
power supply, the energy stored in the capacitor
is 18.5 µJ. While the capacitor is connected to
the power supply, a slab of dielectric is inserted
that completely fills the space between the
plates. This increases the stored energy by 23.2
µJ.
(a) What is the potential difference between the
capacitor plates? (b) What is the dielectric
constant of the slab?
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