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Nataly_w [17]
3 years ago
5

Two capacitors are identical, except that one is empty and theother is filled with a dielectric (κ = 3.60). The empty capacitor

is connected to a24.0 V battery. What must be thepotential difference across the plates of the capacitor filled witha dielectric such that it stores the same amount of electricalenergy as the empty capacitor?
Physics
1 answer:
emmainna [20.7K]3 years ago
3 0

Answer:

Explanation:

Given

Two capacitor are identical such that one is empty and other is filled with dielectric

Inserting a dielectric increases the capacitance k times if k is the dielectric strength

Empty capacitor C_1=C

Dielectric capacitor C_2=k\times C=3.6C

V_1=24 V

Energy stored in first capacitor E_1=\frac{1}{2}CV^2=\frac{1}{2}\times C(24)^2

Energy stored in second capacitor E_2=\frac{1}{2}\times 3.6C\times (V)^2

E_1=E_2

\frac{1}{2}\times C(24)^2=\frac{1}{2}\times 3.6C\times (V)^2

V=12.64\ V    

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