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1. Consider a 1.36 kW short circuit through a 0.075 Ω resistance. What voltage is involved in the short circuit, in volts?

2. a) A parallel-plate capacitor has a capacitance of c₁ = 1 μF when full of air and c₂ = 47 μF when full of a dielectric oil at potential difference of 12 V. Take the vacuum permittivity to be µ_o = 8.85 x 10^-12 C²/(N · m²).

b) What is the permittivity of this oil in C²/(N · m²).

c) How much more charge A???q in C does the capacitor hold when filled with oil relative to when itAc€?cs filled with air?

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