webassign.net Electrical Energy and Capacitance The Two Charges in The Figure Be

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webassign.net Electrical Energy and Capacitance The Two Charges in The Figure Below 6. 0/2 polnts I Previous Answers SerCP11 16.P.012 The two charges in the figure below are separated by d 4.00 cm. (Let q.--19.5 nC and q2-26.5 nC) 60.0° B 4 (a) Find the electric potential at point A. Your response differs from the correct answer by more than 10%. Double check your calculations. kV (b) Find the electric potential at point B, which is halfway between the charges. kV Need Help? il Rea Save Progress Practice Another Version Submit Answer 2/2 points Previous Answers SercP11 16.P013. t Consider the following figure

Explanation / Answer

formula for potential due to point charge is

V = kq/r

(a)

the net potential at point A is

V net = kqA/ d + kqB/ d

V net = 9 * 10^9 ( -19.5 /0.04 + 26.5/0.04) 10^-9 = 1575 V

(b)

at point B

V net = kqA/ (d/2) + kqB/ (d/2)

V net = 10^9 ( -19.5 /0.02 + 26.5/0.02) 10^-9 = 3150 V

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