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20. A cubical region of space is defined by the surfaces x = 1.8, y = 1.8, z = 1.8, x = 2, y = 2, and z = 2. If D = 3y²a, + 3x²ya, C/m²: (a) find the exact value of the total charge enclosed within the cube by surface integration; (b) find an approximate value for the enclosed charge by evaluating the derivatives of Eq. (8) at the center of the cube.

20. A cubical region of space is defined by the surfaces x = 1.8, y = 1.8, z = 1.8, x = 2, y = 2, and z = 2. If D = 3y²a, + 3x²ya, C/m²: (a) find the exact value of the total charge enclosed within the cube by surface integration; (b) find an approximate value for the enclosed charge by evaluating the derivatives of Eq. (8) at the center of the cube.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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20. A cubical region of space is defined by the surfaces x = 1.8, y = 1.8, z = 1.8; x = 2, y = 2, and z = 2. If D = 3y²a, + 3x2ya, C/m²: (a) find the exact value of the total charge enclosed within the cube by surface integration; (b) find an approximate value for the enclosed charge by evaluating the derivatives of Eq. (8) at the center of the cube.
Transcribed Image Text:20. A cubical region of space is defined by the surfaces x = 1.8, y = 1.8, z = 1.8; x = 2, y = 2, and z = 2. If D = 3y²a, + 3x2ya, C/m²: (a) find the exact value of the total charge enclosed within the cube by surface integration; (b) find an approximate value for the enclosed charge by evaluating the derivatives of Eq. (8) at the center of the cube.
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