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(B) When a point charge '$Q$' is placed inside a hollow conducting sphere,the following principles apply:$1$. The electric field inside the material o

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(B) When a point charge '$Q$' is placed inside a hollow conducting sphere,the following principles apply:$1$. The electric field inside the material of the conductor must be zero in electrostatic equilibrium.$2$. Electric field lines must originate from the positive charge '$Q$' and terminate perpendicularly on the inner surface of the conducting sphere.$3$. Due to electrostatic induction,an equal and opposite charge '$-Q$' is induced on the inner surface,and a charge '$+Q$' is induced on the outer surface.$4$. The electric field lines outside the sphere originate from the outer surface and extend radially outward,perpendicular to the surface.Comparing these conditions with the given options,the pattern where lines terminate perpendicularly on the inner surface and originate perpendicularly from the outer surface,with no lines inside the conductor material,is the correct representation.

$A$ point charge '$Q$' is placed at a point inside a hollow conducting sphere. Which of the following electric field patterns is correct?

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