Print Calculator Periodic Table Sapling Learning Three point charges are in a tr

Question

Print Calculator Periodic Table Sapling Learning Three point charges are in a triangle as shown in the figure. is the electrostatic tential energy of this configuration of charges? that zero potential energy corresponds all the charges being apart. 6.52 nC or 11 0.126 m Number 1.92 x 10 J 5.36 nC You may have confused the expression for electric potential e the expression for electric field. Remember that the energy U for a pair of charges inversely to proportional to the separation distance d, not the square of the distance. D,, 0.565 m D13 0.598 m 0,- 1.85 nC -A Previous Give Up & View solution Try Again 0Next

Explanation / Answer

here,

q1 = 5.36 * 10^-9 C

q2 = 6.52 * 10^-9 C

q3 = - 1.85 * 10^-9 C

the potential energy of the configuration of charges, U = k * q1 * q2 /d12 + k * q2 * q3 /d23 + k * q3 * q1 /d31

U = 9 * 10^9 * 10^-9 * 10^-9 * ( 5.36 * 6.52 /0.216 - 6.52 * 1.85 /0.565 - 1.85 * 5.36 /0.598)

U = 1.1 * 10^-6 J

the potential energy of the configuration of charges is 1.1 * 10^-6 J

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