Two long and parallel straight wires A and B carrying currents of 8.0 A and 5.0 A in the same direction are separated by a distance of 4.0 cm. Estimate the force on a 10 cm section of wire A, in newtons?

expects 2 × 10⁻⁵ N

24 checks, 0 agreed

draft 24: failed in solution.rb, line 7 — ArgumentError: two_parallel_wires gives nothing called length

solution.rb · draft 24 stopped at line 7

1solve :two_parallel_wires, using: [MagneticFieldOfCurrents, MagneticForce] do2  objects :wire_a, :wire_b34  take current_a: wire_a.current5  take current_b: wire_b.current6  take separation: wire_a.distance_from_the_wire(from: wire_b)7  take length: wire_a.lengthArgumentError: two_parallel_wires gives nothing called length89  deduce_from "a 10 cm section", wire_a.length_in_the_field => "10 cm"1011  field = B12  force = wire_a.force_on_a_wire1314  answer force:, in: "N", figures: 21516  conclusion "Wire B creates a magnetic field at wire A, and wire A feels a force from that field."17end