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A hollow sphere of radius has a point charge at its centre. Electric flux emanating from it is . If…
A hollow sphere of radius $R$ has a point charge $Q$ at its centre. Electric flux emanating from it is $\phi$. If both the charge and the radius of the sphere be doubled, electric flux emanating from the sphere will:
- (a)remain the same.
- (b)become $2\phi$
- (c)become $4\phi$
- (d)become $8\phi$
Answer
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From ISC 2023 Physics Paper 1, question 1(A)(i).