Question: Suppose eight field lines emanate from an object carrying a charge (+q). How many field lines pierce the surface of a hollow sphere if the

Suppose eight field lines emanate from an object carrying a charge $+q$. How many field lines pierce the surface of a hollow sphere if the sphere contains

(a) a single object carrying a charge $+2 q$ and

(b) two separate objects, each carrying a charge $+q$ ?

(c) If the sphere is pierced by 20 field lines, what can you deduce about the amount of combined charge on objects inside the sphere?

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