. A thin metallic spherical shell contains a charge Q on it
A point charge q1 is placed at the centre O of the shell and another charge q is placed at P, at a distance d, (d > r) from the centre as shown in the figure. The incorrect option is
A. Force on q1 due to the charge on shell [Q and induced charges] is towards right.
B. Force on q1 due to all the charges [Q, q and the induced charges) is zero.
C. Force on q1 due to q is towards left
D. Force on q due to Q and q1
Best Answer
Ans: D
Sol: Uniformly charged metallic sphere can be treated as a point charge for calculation of electric field at an external point.
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