Questions
Three particles each having a charge of 10 are placed at the corners of an equilateral triangle of side 10cm. The electrostatic potential energy of the system is (Given
detailed solution
Correct option is C
For pair of chargeU=14πε0.q1q2rUSystem=14πε010×10−6×10×10−610/100+10×10−6×10×10−610/100+10×10−6×10×10−610/100=3×9×109×100×10−12×10010=27 JTalk to our academic expert!
Similar Questions
Two charges q1 and q2 are placed 30 cm apart, shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is , where k is
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