APFIVE Capacitance With a Partial Dielectric
A dielectric slab with constant $$\kappa = 4.0$$ is inserted exactly halfway (so that it fills half the space between the plates) of a parallel-plate capacitor. If the capacitance of the empty capacitor is $$C_0$$, what is the new capacitance in terms of $$C_0$$?
A
C = 1.6C₀
B
C = 2.5C₀
C
C = 4.0C₀
D
C = 2.0C₀
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