1. A parallel-plate capacitor with area 250cm² and separation 0.95mm contains three dielectrics with interfaces normal to E and D, as follows: layer 1 -- &₁₁=2, d₁ = 0.5mm; layer 2 -- &₁2 = 4, d₂ = 0.25mm; layer 3 -- ₁3 = 5, d3 = 0.2mm. The uniform surface charge density is 1μC/m². Find (a) the capacitance of the capacitor, (b) the voltage between the plates, (c) magnitude of D between the parallel plates, and (d) energy density in layer 2.
1. A parallel-plate capacitor with area 250cm² and separation 0.95mm contains three dielectrics with interfaces normal to E and D, as follows: layer 1 -- &₁₁=2, d₁ = 0.5mm; layer 2 -- &₁2 = 4, d₂ = 0.25mm; layer 3 -- ₁3 = 5, d3 = 0.2mm. The uniform surface charge density is 1μC/m². Find (a) the capacitance of the capacitor, (b) the voltage between the plates, (c) magnitude of D between the parallel plates, and (d) energy density in layer 2.
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Transcribed Image Text:1. A parallel-plate capacitor with area 250cm² and separation 0.95mm contains three dielectrics with interfaces normal to
E and D, as follows: layer 1 -- ₁1=2, d₁ = 0.5mm; layer 2 -- 2 = 4, d₂ = 0.25mm; layer 3 -- ₁3 = 5, d3 = 0.2mm. The
uniform surface charge density is 1µC/m². Find (a) the capacitance of the capacitor, (b) the voltage between the plates, (c)
magnitude of D between the parallel plates, and (d) energy density in layer 2.
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