Two parallel conductors $A$ and $B$ of equal lengths carry currents $I$ and $10\, I$,respectively,in the same direction. Then
- A$A$ and $B$ will repel each other with the same force.
- B$A$ and $B$ will attract each other with the same force.
- C$A$ will attract $B$,but $B$ will repel $A$.
- D$A$ and $B$ will attract each other with different forces.
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