Three Very Long,straight,parallel Wires Each Carry Currents of 4

question 19

Multiple Choice

Three very long,straight,parallel wires each carry currents of 4.00 A,directed out of the page as shown in the figure.The wires pass through the vertices of a right isosceles triangle of side 2.00 cm.What is the magnitude of the magnetic field at point P at the midpoint of the hypotenuse of the triangle?

• A)4.42 × 10^-6 T
• B)1.77 × 10^-5 T
• C)5.66 × 10^-5 T
• D)1.26 × 10^-4 T
• E)1.77 × 10^-6 T

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