As shown in the figure, two infinitely long, identical wires are bent by 90° and placed in such a way that the segments LP and QM are along the X -axis, while segments PS and QN are parallel to the Y-axis. If OP = OQ = 4 cm, and the magnitude of the magnetic field at O is 10-4 T and the two wires carry equal currents (see figure), the magnitude of the current in each wire and the direction of the magnetic field at O will be (Take, μ0 = 4π × 10-7 NA-2)

20 A, perpendicular out of the page

40 A, perpendicular out of the page

20 A, perpendicular into the page

40 A, perpendicular into the page

As shown in the figure, two infinitely long, identical wires are bent

1.	As shown in the figure, two infinitely long, identical wires are bent by 90° and placed in such a way that the segments LP and QM are along the X -axis, while segments PS and QN are parallel to the Y-axis. If OP = OQ = 4 cm, and the magnitude of the magnetic field at O is 10-4 T and the two wires carry equal currents (see figure), the magnitude of the current in each wire and the direction of the magnetic field at O will be (Take, μ0 = 4π × 10-7 NA-2)
A.	40 A, perpendicular out of the page
B.	20 A, perpendicular into the page
C.	20 A, perpendicular out of the page
D.	40 A, perpendicular into the page
Answer» C. 20 A, perpendicular out of the page

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