1.

Two long parallel wires carrying equal current separated by 1m, exert a force of \[2\times {{10}^{-7}}N/m\] on one another. The current flowing through them is                                      [AMU (Engg.) 1999]

A.            2.0 A                                        
B.            \[2.0\times {{10}^{-7}}A\]
C.            1.0 A                                        
D.            \[1.0\times {{10}^{-7}}A\]
Answer» D.            \[1.0\times {{10}^{-7}}A\]


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