A) remains the same
B) becomes eight times
C) becomes four times
D) becomes two times
Correct Answer: C
Solution :
Distance between plates halved capacitance becomes doubled also charge becomes doubled. Force of attraction \[\propto {{Q}^{2}}\left[ as\,\,F=\frac{{{Q}^{2}}}{2A{{\varepsilon }_{0}}} \right]\] \[\Rightarrow \] Force becomes four times.
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