A) \[{{10}^{-5}}N,\,\]attractive
B) \[{{10}^{-5}}N,\,\]repulsive
C) \[2\times {{10}^{-5}}N,\,\]attractive
D) \[2\times {{10}^{-5}}N,\,\]repulsive
Correct Answer: B
Solution :
\[F={{10}^{-7}}\frac{2{{i}_{1}}{{i}_{2}}}{a}={{10}^{-7}}\times \frac{2\times 5\times 5}{0.5}={{10}^{-5}}N\](repulsive)
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