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7.27 At 2 GHz, the conductivity of meat is on the order of 1 (S/m). When a material is placed inside a microwave oven and the field is activated, the presence of the electromagnetic fields in the conducting material causes energy dissipation in the material in the form of heat. (a) Develop an expression for the time-average power per mm³ dissipated in a material of conductivity σ if the peak electric field in the material is Eo. (b) Evaluate the result for an electric field Eo = 4×104 (V/m).

7.27 At 2 GHz, the conductivity of meat is on the order of 1 (S/m). When a material is placed inside a microwave oven and the field is activated, the presence of the electromagnetic fields in the conducting material causes energy dissipation in the material in the form of heat. (a) Develop an expression for the time-average power per mm³ dissipated in a material of conductivity σ if the peak electric field in the material is Eo. (b) Evaluate the result for an electric field Eo = 4×104 (V/m).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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7.27 At 2 GHz, the conductivity of meat is on the order of 1 (S/m). When a material is placed inside a microwave oven and the field is activated, the presence of the electromagnetic fields in the conducting material causes energy dissipation in the material in the form of heat. (a) Develop an expression for the time-average power per mm³ dissipated in a material of conductivity σ if the peak electric field in the material is Eo. (b) Evaluate the result for an electric field E0 = 4×104 (V/m).
Transcribed Image Text:7.27 At 2 GHz, the conductivity of meat is on the order of 1 (S/m). When a material is placed inside a microwave oven and the field is activated, the presence of the electromagnetic fields in the conducting material causes energy dissipation in the material in the form of heat. (a) Develop an expression for the time-average power per mm³ dissipated in a material of conductivity σ if the peak electric field in the material is Eo. (b) Evaluate the result for an electric field E0 = 4×104 (V/m).
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