Ex:-A point charge Ql=2Mc is located at P1(-3,7,-4) in free space while Q2=-5Mc is at P2(2,4,-I) at the point P3(12,15,18) find Ē, JE], ãE the University of Anbar College of Engineering Department of Electrical Engineering Electro-magnetics I Dr. Ahmed A. Abbas Then R1 = 15āx + 8ãy + 22āz Force on 25nc at this point (P3). |Ř1|= V152 + 8² + 222 = 27.8 15āx 8ãy a, = IRI 22āz = 0.539āx + 0.287āy + 0.79āz 27.8 it 27.8 27.8 2 x 10-6 . E1 = 9 x 10 (0.539āx + 0.287ãy + 0.79āz) 773 Q2 -āz but R = 10äx + 11āy + 19āz R Ē2 = K- |R| = V102 + 112 + 192 = 24.1 -5 x 106 10 11 19 . Ē2 = 9 x 10° āx + āy + 582 (24.1 24.1 24.1 Can you explain this step in detail?! :E = Ē1+ Ē2 = -19.5 āx – 28.5 ãy – 42.4āz = -0.356 āx-0.521 ãy - 0.776 āz F = QË

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University of Anbar
College of Engineering
Department of Electrical Engineering
Ex:-A point charge Ql=2Mc is located at P1(-3,7,-4) in free space while
Q2=-5Mc is at P2(2,4,-1) at the point P3(12,15,18) fund Ē, JE|, ãE the
Electro-magnetics I
Dr. Ahmed A. Abbas
Then R1 = 15āx + 8ãy + 22āz
Force on 25nc at this point (P3).
|Ř1|= V152 + 8² + 22² = 27.8
15āx
8ãy
22āz
ā, =
= 0.539āx + 0.287āy + 0.79āz
27.8
27.8
27.8
2 x 10-6
. Ē1 = 9 x 10
(0.539āx + 0.287ãy + 0.79āz)
773
Ē2 = K-
Q2
z āz but R2 = 10āx + 11āy + 19āz
|R| = V102 + 112 + 192 = 24.1
-5 x 10-6 10
11
. E2 = 9 x 10°
19
az
24.1
-ах +
-āy +
582
24.1
24.1
Can you explain this
step in detail?!
.E = Ē1+ Ē2 = -19.5 āx – 28.5 ãy – 42.4āz
= -0.356 āx - 0.521 ãy - 0.776 āz
F = QË
Transcribed Image Text:University of Anbar College of Engineering Department of Electrical Engineering Ex:-A point charge Ql=2Mc is located at P1(-3,7,-4) in free space while Q2=-5Mc is at P2(2,4,-1) at the point P3(12,15,18) fund Ē, JE|, ãE the Electro-magnetics I Dr. Ahmed A. Abbas Then R1 = 15āx + 8ãy + 22āz Force on 25nc at this point (P3). |Ř1|= V152 + 8² + 22² = 27.8 15āx 8ãy 22āz ā, = = 0.539āx + 0.287āy + 0.79āz 27.8 27.8 27.8 2 x 10-6 . Ē1 = 9 x 10 (0.539āx + 0.287ãy + 0.79āz) 773 Ē2 = K- Q2 z āz but R2 = 10āx + 11āy + 19āz |R| = V102 + 112 + 192 = 24.1 -5 x 10-6 10 11 . E2 = 9 x 10° 19 az 24.1 -ах + -āy + 582 24.1 24.1 Can you explain this step in detail?! .E = Ē1+ Ē2 = -19.5 āx – 28.5 ãy – 42.4āz = -0.356 āx - 0.521 ãy - 0.776 āz F = QË
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