In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 14.5 cm. Each wire carries 3.00 A, and the currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3. In unit-vector notation, what is the net magnetic force per meter of wire length on wire 4? Number i î+i ĴUnits
In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 14.5 cm. Each wire carries 3.00 A, and the currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3. In unit-vector notation, what is the net magnetic force per meter of wire length on wire 4? Number i î+i ĴUnits
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Step 1: Know the concept:
VIEWStep 2: Draw a diagram of the given situation and calculate the length of the diagonal:
VIEWStep 3: Calculate the magnetic force vector on wire 4 due to wire 1.
VIEWStep 4: Calculate the magnetic force vector on wire 4 due to wire 2.
VIEWStep 5: Calculate the magnetic force vector on wire 4 due to wire 3.
VIEWStep 6: Calculate the net magnetic force vector per unit length on wire 4:
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