D3.3. Given the electric flux density, D = 0.3r²a, nC/m? in free space: (a) find E at point P(r = 2,60 = 25°, ¢ = 90°); (b) find the total charge within the sphere r = 3; (c) find the total electric flux leaving the sphere r = 4. Ans. 135.5a, V/m; 305 nC; 965 nC
D3.3. Given the electric flux density, D = 0.3r²a, nC/m? in free space: (a) find E at point P(r = 2,60 = 25°, ¢ = 90°); (b) find the total charge within the sphere r = 3; (c) find the total electric flux leaving the sphere r = 4. Ans. 135.5a, V/m; 305 nC; 965 nC
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Transcribed Image Text:D3.3. Given the electric flux density, D = 0.3r²a, nC/m² in free space:
(a) find E at point P(r = 2, 0 = 25°, ø = 90°); (b) find the total charge
within the sphere r = 3; (c) find the total electric flux leaving the sphere r = 4.
Ans. 135.5a, V/m; 305 nC; 965 nC
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