Electrostatic Fields in Matter
Electrostatic Fields in Matter
Electrostatic Fields in Matter
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SolutionS<strong>in</strong>ce <strong>in</strong> this simple geometry, all the vector quantities are <strong>in</strong> thesame direction, we will ignore their vector nature.1.E = V d =P = ɛ 0 (K − 1)E9 V5 mm = 1.8 × 103 Vm −1= 8.85 × 10 −12 (2.26 − 1)1.8 × 10 3= 2.01 × 10 −8 Cm −2σ b = P = 2.01 × 10 −8 Cm −2D = ɛ 0 E + P= 8.85 × 10 −12 × 1.8 × 10 3 + 2.01 × 10 −8= 3.60 × 10 −8 Cm −2σ f = D = 3.60 × 10 −8 Cm −211
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