12. Three point charges lie along a straight line as shown in the figure below, where q1 = 6.00 x 10-6 C, q2 = 1.50 × 10–6 C, and q3 = -2.00 × 10–6 C. The separation distances are d1 = 3.00 cm, d2 = 2.00 cm, and d3 = 5.00 cm. %3D dz 92 'p- a) What are the magnitude and direction of the electric field due to charges q1, q2, and q3 at point P? b) What is the electric potential due to charges q1, q2, and q3 at point P? c) If a charge of -7.00 × 10–6 C is now placed at point P, what are the magnitude and direction of the force acting on this charge due to charges q1, q2, and q3?

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12. Three point charges lie along a straight line as shown in the figure below, where q1 = 6.00 ×
10-6 C, q2 = 1.50 × 10–6 C, and q3 = -2.00 x 10–6 C. The separation distances are d1 = 3.00
cm, d2 = 2.00 cm, and d3 = 5.00 cm.
P
dz
12
a) What are the magnitude and direction of the electric field due to charges q1, q2, and q3 at
point P?
b) What is the electric potential due to charges q1, q2, and q3 at point P?
c) If a charge of -7.00 x 10-6 C is now placed at point P, what are the magnitude and direction
of the force acting on this charge due to charges q1, q2, and q3?
Transcribed Image Text:12. Three point charges lie along a straight line as shown in the figure below, where q1 = 6.00 × 10-6 C, q2 = 1.50 × 10–6 C, and q3 = -2.00 x 10–6 C. The separation distances are d1 = 3.00 cm, d2 = 2.00 cm, and d3 = 5.00 cm. P dz 12 a) What are the magnitude and direction of the electric field due to charges q1, q2, and q3 at point P? b) What is the electric potential due to charges q1, q2, and q3 at point P? c) If a charge of -7.00 x 10-6 C is now placed at point P, what are the magnitude and direction of the force acting on this charge due to charges q1, q2, and q3?
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