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Electric Potential Energy | 8 mins | 0 completed | Learn Summary |

Electric Potential | 30 mins | 0 completed | Learn Summary |

Work From Electric Force | 32 mins | 0 completed | Learn |

Relationships Between Force, Field, Energy, Potential | 28 mins | 0 completed | Learn |

The ElectronVolt | 6 mins | 0 completed | Learn |

Equipotential Surfaces | 12 mins | 0 completed | Learn |

Solution: Three charges of magnitude |q| = 3.0 x 10-9C are placed along the circumference of a circle with radius R = 1.0m. A charge +q lies at x = -R, a charge -q at y = -R, and a charge -q at x = R.
a. Deter

Three charges of magnitude |q| = 3.0 x 10^{-9}C are placed along the circumference of a circle with radius R = 1.0m. A charge +q lies at x = -R, a charge -q at y = -R, and a charge -q at x = R.

a. Determine the electric potential at the origin of the circle.

b. If a negative charge with q = -1.5 x 10^{-9} C brought from r= ∞ and placed at the origin, what is the change in potential energy of the system of charges?

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