a) Point charges Q1 = 5 µC and Q2 = -4 µC are placed at (2, 3, 1) and (0, -1, 0) respectively. Determine the force caused by Q2 on Q1. Then determine E at Qı.
a) Point charges Q1 = 5 µC and Q2 = -4 µC are placed at (2, 3, 1) and (0, -1, 0) respectively. Determine the force caused by Q2 on Q1. Then determine E at Qı.
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Transcribed Image Text:a) Point charges Q1 = 5 µC and Q2 = -4 µC are placed at (2, 3, 1) and (0, -1, 0) respectively.
Determine the force caused by Q2 on Q1. Then determine E at Qı.
b) State the definition of Gauss's Law and write down its equation. Then sketch a Gaussian
surface to determine D at point P for an infinite line charge. Assume the infinite line is of
uniform charge PL C/m and lies along the z-axis.
c) Three point charges Q1
3 mC, Q2
= -4 mC and Q3
5 mC are located at
%3D
(1, 1, 3), (-2, 4, 1) and (0, 0, 0) respectively.
i)
Determine the potential Vp at P(-1, 1, 2)
ii)
Calculate the potential difference VpQ if Q is (1, 2, 3)
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