Net force on one of three parallel current-carrying wires

1. A.
   9 cm
2. B.
   7 cm
3. C.
   5 cm
4. D.
   3 cm

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1. A.
   towards A
2. B.
   towards C
3. C.
   perpendicular to the plane of page
4. D.
   upwards

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1. A.
   $F_{1}=F_{2}$
2. B.
   $F_{1}=-F_{2}$
3. C.
   $F_{1}=2F_{2}$
4. D.
   $F_{1}=\frac{1}{2}F_{2}$

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1. A.
   $9$
2. B.
   $7$
3. C.
   $5$
4. D.
   $3$

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