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A ) A 2-?C point charge is embedded in the center of a solid Pyrex sphere...

A ) A 2-?C point charge is embedded in the center of a solid Pyrex sphere of radius R = 15 cm.

(1) Calculate the electric field strength E just beneath the surface of the sphere. (in N/C )

(2) Assuming that there are no free charges, calculate the strength of the electric field just outside the surface of the sphere. ( in N/C )

(3) What is the induced surface charge density ?ind on the surface of the Pryex? (in C/m2)

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B) Trying with diffrent variables, a 1-?C point charge is embedded in the center of a solid Pyrex sphere of radius R = 12 cm.

(1) Calculate the electric field strength E just beneath the surface of the sphere.( in N/C )?

(2) Assuming that there are no free charges, calculate the strength of the electric field just outside the surface of the sphere.( in N/C )?

(3) What is the induced surface charge density ?ind on the surface of the Pryex?(in C/m2)

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