Forces on Massive Parallel Wires Carrying Equal Currents

This Demonstration shows the interaction between two infinite parallel wires that carry equal currents in opposite directions. The wires, shown in yellow cross section, have a linear mass density of kg/m and are suspended from a support by massless strings of length separated by an angle . The wires are thereby acted upon by magnetic and gravitational forces, as well as the tension of the strings.
  • Contributed by: Ozzy Loachamín
  • (Physics Laboratory of Escuela Politécnica Nacional)

SNAPSHOTS

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DETAILS

This Demonstration is based on an exercise from [1].
Snapshot 1: two wires with the conditions of [1, Exercise 28.63]
Snapshot 2: two wires with the conditions as shown
Snapshot 3: the two wires with the conditions as shown, omitting the force vectors
Reference
[1] H. D. Young, R. A. Freedman and A. L. Ford, Sears and Zemansky's University Physics: With Modern Physics, 12th ed., San Francisco: Pearson Addison Wesley, 2008.
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