The mass percent of aluminium and oxygen in aluminium oxide, Al 2 O 3 , the major compound in rubies.

Question

1. A charge of -25 μC is distributed uniformly throughout a spherical volume of radius 11.5 cm. Determine the electric field due to this charge at a distance of (a) 2 cm, (b) 4.6 cm, and (c) 25 cm from the center of the sphere. (a) = = (b) E = (c)Ẻ = = NC NC NC

Answer 1

Question

Chapter 12.2, Problem 12.3CE

To determine

The mass percent of aluminium and oxygen in aluminium oxide, Al2O3 , the major compound in rubies.

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1. A charge of -25 μC is distributed uniformly throughout a spherical volume of radius 11.5 cm. Determine the electric field due to this charge at a distance of (a) 2 cm, (b) 4.6 cm, and (c) 25 cm from the center of the sphere. (a) = = (b) E = (c)Ẻ = = NC NC NC

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