Two very thin and very long uniform wires, placed very close to each other, carry equal but opposite currents. Point 1 is exactly at the middle of those wires and point 2 is far away from the wires. Which one among the following regarding the net magnetic field produced is correct?

 (a) Magnetic field at point 1 is zero

(b) Magnetic field at point 2 is zero
(c) Magnetic field lines will form elliptical loops around the wires
(d) Magnetic field lines will form circular loops around the wires

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