AirDropReceived photo from"Lilynguyen"OpenUpdates Not InstalledDetailsSome updates could not be installedautomatically.Update4. A point charge of charge +Q is at the center of a spherical shell of charge with charge -3Q. The shell hasradius R. Find the magnitude and direction (toward the center or away from the center) of the electricfield at a distance rR from the point charge in terms or Q, r, R, and anyconstants (i.e. k-).(Hint: Youcan either use Gauss' Law or superposition for this!)-30R

If we assume a spherical Gaussian surface of radius r<R, It only encloses the charge which is at…

Answered: 4. A point charge of charge +Q is at…

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