5. Three point charges, q 10 uC, q2 =-15 uC and qs 8 µC are fixed at the positions shown below. (a) What is the potential at point Pat the corner of the rectangle? (b) How much work would be needed to bring a charge q4 = 2.5 µC from infinity and to place it at P? (c) What is the total potential energy of q1, q2 and qy? %3D %3! P. 5 m 3 m 92 4 m
Question 12:
Three point charges, q1=10 μC, q2 = -15 μC and q3 = 8 μC are fixed at the positions shown in the figure in your assignment sheet. (a) What is the potential at point P at the corner of the rectangle? Give your answer in scientific notation and correct to 2 decimal places. Your answer should be in units of V.
Question 13:
Three point charges, q1 = 10 μC, q2 = -15 μC and q3 = 8 μC are fixed at the positions shown in the figure in the assignment sheet. (b) How much work would be needed to bring a charge q4 = 2.5 μC from infinity and to place it at P? Give your answer correct to two decimal places and in units of J.
Question 14:
Three point charges, q1 = 10 μC, q2 = -15 μC and q3 = 8 μC are fixed at the positions shown in the figure in your assignment sheet. (c) What is the total potential energy of q1, q2 and q3? Give your answer correct to two decimal places and in units of J.
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