JEE Main 12 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 25 of 90

Marks: +1, -0

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 = 4cm, and the magnitude of the magneticfield 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 (µ0 = 4π × 10–7NA–2) :

[12 Jan 2019 Shift 1]

40 A, perpendicular into the page
40 A, perpendicular out of the page
20 A, perpendicular out of the page
20 A, perpendicular into the page

Validate

Go to Question:

Prev Question

Next Question