A parallel-plate capacitor has a capacitance of c1 = 6.5 μF when filled with air and c2 = 33 μF when filled with a dielectric oil at potential difference of 12 V. Consider the vacuum permittivity to be εo = 8.85 × 10-12 C2/(N⋅m2). a) Input an expression for the permittivity of the oil ε. b) What is the permittivity of this oil in C2/(N⋅m2)? c) How much more charge Δq in C does the capacitor hold when filled with oil relative to when it’s filled with air?
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A parallel-plate capacitor has a capacitance of c1 = 6.5 μF when filled with air and c2 = 33 μF when filled with a dielectric oil at potential difference of 12 V. Consider the vacuum permittivity to be εo = 8.85 × 10-12 C2/(N⋅m2).
a) Input an expression for the permittivity of the oil ε.
b) What is the permittivity of this oil in C2/(N⋅m2)?
c) How much more charge Δq in C does the capacitor hold when filled with oil relative to when it’s filled with air?
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