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A net electric charge of 2.87 ?C is placed on a conducting sphere. The radius of...

A net electric charge of 2.87 ?C is placed on a conducting sphere. The radius of the sphere is R = 20.5 cm. What is the magnitude of the electric field at a distance of d1 = 26.8 cm away from the center of the sphere?

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What is the magnitude of the electric field at a distance of d2 = 14.2 cm away from the center of the sphere?

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The same amount of electric charge is now placed on an insulating sphere with the same radius R. The electric charge is distributed uniformly throughout the volume of the insulating sphere. What is the magnitude of the electric field at a distance of d1 = 26.8 cm away from the center of the sphere?

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What is the magnitude of the electric field at a distance of d2 = 14.2 cm away from the center of the insulating sphere?

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