A) \[{{10}^{-5}}N\]
B) \[{{10}^{-4}}N\]
C) \[{{10}^{-3}}N\]
D) \[{{10}^{-2}}N\]
Correct Answer: C
Solution :
Force on the wire = Bil Force per unit length \[=Bi={{10}^{-4}}\times 10={{10}^{-3}}N\]
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