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Electric Field due to Three Point Charges [15%] Phys 236 Network Construction_Q22 Given a discrete point charge configuration, calculate the electric field at points P1(x0,0) & P2(0,yo) => this question is a problem of Electric Forces & Electric Fields (CH22) (a) At P1(x0,0), fill in the formula in the following blank using variables of k, q1>0, q2>0, q3>0, x1, x2, x3, yo: (hint: 1D problem) Source Charge Q1,Q2,Q3 Ex = Ex (N/C) Ey (N/C) Ey = (b) At P2(0,yo), derive each formula of each blank and fill it in the following table using variables of k, q1, q2, q3, x1, x2, x3, yo: (hint: 2D problem) Source Charge E Magnitude Ex (N/C) Q1 E1 = \frac{k \cdot q_1}{x_1^2 + y_0^2} E1x= Q2 E2 = \frac{k \cdot q_2}{y_0^2} E2x= 0 Q3 E3 = \frac{k \cdot q_3}{x_3^2 + y_0^2} E3x= Ey (N/C) E1y= E2y= \frac{k \cdot q_2}{y_0^2} E3y=

          Electric Field due to Three Point Charges [15%]
Phys 236 Network Construction_Q22
Given a discrete point charge configuration, calculate the electric field at points P1(x0,0) & P2(0,yo) => this question is a problem of Electric Forces & Electric Fields (CH22)
(a) At P1(x0,0), fill in the formula in the following blank using variables of k, q1>0, q2>0, q3>0, x1, x2, x3, yo: (hint: 1D problem)
Source Charge
Q1,Q2,Q3 Ex = 
Ex (N/C)
Ey (N/C)
Ey = 
(b) At P2(0,yo), derive each formula of each blank and fill it in the following table using variables of k, q1, q2, q3, x1, x2, x3, yo: (hint: 2D problem)
Source Charge
E Magnitude
Ex (N/C)
Q1 E1 = \frac{k \cdot q_1}{x_1^2 + y_0^2}
E1x=
Q2 E2 = \frac{k \cdot q_2}{y_0^2}
E2x= 0
Q3 E3 = \frac{k \cdot q_3}{x_3^2 + y_0^2}
E3x=
Ey (N/C)
E1y=
E2y= \frac{k \cdot q_2}{y_0^2}
E3y=

Electric Field due to Three Point Charges [15%]
Phys 236 Network ConstructionQ22
Given a discrete point charge configuration, calculate the electric field at points P1(x0,0) P2(0,yo) => this question is a problem of Electric Forces Electric Fields (CH22)
(a) At P1(x0,0), fill in the formula in the following blank using variables of k, q1>0, q2>0, q3>0, x1, x2, x3, yo: (hint: 1D problem)
Source Charge
Q1,Q2,Q3 Ex =
Ex (N/C)
Ey (N/C)
Ey =
(b) At P2(0,yo), derive each formula of each blank and fill it in the following table using variables of k, q1, q2, q3, x1, x2, x3, yo: (hint: 2D problem)
Source Charge
E Magnitude
Ex (N/C)
Q1 E1 = (k ·q1)/(x1^2 + y0^2)
E1x=
Q2 E2 = (k ·q2)/(y0^2)
E2x= 0
Q3 E3 = (k ·q3)/(x3^2 + y0^2)
E3x=
Ey (N/C)
E1y=
E2y= (k ·q2)/(y0^2)
E3y=

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