How much external energy is required to bring a charge

Reference no: EM13558170

A charge of 6 μC is distributed uniformly along the circumference of a circle with a radius of 35 cm. The Coulomb constant is 8.98755 × 109 N · m2/C2. How much external energy is required to bring a charge of 50 μC from infinity to the center of the circle? Answer in units of J.

Reference no: EM13558170

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