A) Increase
B) Decrease
C) Remain the same
D) Be zero
Correct Answer: B
Solution :
[b] \[{{F}_{g}}=\frac{1}{4\pi \varepsilon ,,}\left( \frac{{{q}_{1}}{{q}_{2}}}{{{r}_{2}}} \right)=\frac{{{F}_{a}}}{k}\] As k (for glass) > 1, we have \[{{F}_{g}}<{{F}_{a}}\]
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