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A point charge of -3.00 C is located in the center of a spherical cavity of radius 6.80 cm inside an insulating spherical cha
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guass law from field who have a relation for Electric a total T EoA here a tota charge of of cavity + charge of solid utolalin ward Now a tola & solid + q cavity = 1042x100 + (-3x109) ar tota -157x106c ci Now Electric field is I stile lela to A 1578

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