The four wires that lie at the corners of a square of side a= 3.40 cm are carryi

Question

The four wires that lie at the corners of a square of side a= 3.40 cm are carrying equal currents i= 1.50 A into (+) or out of (-) the page, as shown in the picture.

Calculate the y component of the magnetic field at the center of the square.

Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other three wires.

The four wires that lie at the corners of a square of side a= 3.40 cm are carrying equal currents i= 1.50 A into (+) or out of (-) the page, as shown in the picture. Calculate the y component of the magnetic field at the center of the square. Calculate the x-component of the force on a 1.0-cm long piece of the lower right-hand wire, due to the other three wires.

Explanation / Answer

The magnitude of the magnetic field at the center is the same for each wire
where r = 0.017*sqrt(2) = 0.024m
B =

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