Two plastic spheres The figure shows two thin plastic spherical shells (shown in cross section) that are uniformly charged. The center of the larger sphere is at < 0, 0, 0 >; it has a radius of 12 cm and a uniform positive charge of 7 x 10° c. The center of the smaller sphere is at < 25, 0, 0 > cm; it has a radius of 3 cm and a uniform negative charge of -2x 10C. (a) What is the electric feld at location A (6 em to the right of the center of the large sphere)? Neglect the small contribution of the polarized molecules in the plastic, because the shels are very thin and don't contain much matter. (b) What is the electric field at location B (15 cm above the center of the small sphere)? Again, neglect the small contribution of the polarized molecules in the plastic, because the shells are very thin and don't contain much matter. (e) What is the force on an electron placed at location B?
Two plastic spheres The figure shows two thin plastic spherical shells (shown in cross section) that are uniformly charged. The center of the larger sphere is at < 0, 0, 0 >; it has a radius of 12 cm and a uniform positive charge of 7 x 10° c. The center of the smaller sphere is at < 25, 0, 0 > cm; it has a radius of 3 cm and a uniform negative charge of -2x 10C. (a) What is the electric feld at location A (6 em to the right of the center of the large sphere)? Neglect the small contribution of the polarized molecules in the plastic, because the shels are very thin and don't contain much matter. (b) What is the electric field at location B (15 cm above the center of the small sphere)? Again, neglect the small contribution of the polarized molecules in the plastic, because the shells are very thin and don't contain much matter. (e) What is the force on an electron placed at location B?
Chapter6: Gauss's Law
Section: Chapter Questions
Problem 64P: An aluminum spherical ball of radius 4 cm is charged with 5C of charge. A copper spherical shell of...
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Transcribed Image Text:Two plastic spheres
The figure shows two thin plastic spherical shells (shown in cress section) that are uniformly charged. The center of the larger sphere is at < 0, 0,0 >; it has a radius of 12 cm and a uniform positive
charge of 7x 10C. The center of the smaller sphere is at < 25, 0, 0 > cm; it has a radius of 3 cm and a uniform negative charge of -2 x 10C.
(a) What is the electric field at location A (6 cm to the right of the center of the large sphere)? Neglect the small contribution of the polarized molecules in the plastic, because the shels are
very thin and don't contain much matter.
> N/C
(b) What is the electric field at location B (15 cm above the center of the small sphere)? Again, neglect the small contribution of the polarized molecules in the plastic, because the shells are
very thin and don't contain much matter.
> N/C
(c) What is the force on an electron placed at location B?
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