A) \[1.61\,N/C\]
B) \[26.2\,N/C\]
C) \[262\,N/C\]
D) \[1610\,N/C\]
Correct Answer: C
Solution :
In balance condition \[QE=mg=\left( \frac{4}{3}\pi {{r}^{3}}\rho \right)\,g\] Þ \[E=\frac{4\times (3.14)\,{{(0.1\times {{10}^{-6}})}^{3}}\times {{10}^{3}}\times 10}{3\times 1.6\times {{10}^{-19}}}\]\[=262\,N/C\]You need to login to perform this action.
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