as shown in figure. Find the magnitude and direction of the current I so that the magnetic field at the centre of the square is zero.

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Four very long, current carrying wires in the same plane intersect to form a square 40.0 cm on each side, as shown in figure. Find the magnitude and direction of the current I so that the magnetic field at the centre of the square is zero.
17
Oct
Four very long, current carrying wires in the same plane intersect to form a square 40.0 cm on each side, as shown in figure. Find the magnitude and direction of the current I so that the magnetic field at the centre of the square is zero. as shown in figure. Find the magnitude and direction [...]
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