Force between current-carrying wires#

Two long, straight wires are parallel and \({{ params.d }}\rm\ cm\) apart. One carries a current of \({{ params.I1 }}\rm\ A\), the other a current of \({{ params.I2 }}\rm\ A\).

Part 1#

If the two currents flow in opposite directions, what is the magnitude of the force per unit length of one wire on the other?

Answer Section#

Part 2#

Do the wires attract or repel eachother?

Answer Section#

  • Attract

  • Repel



Problem is from the OpenStax University Physics Volume 2 textbook, licensed under the CC-BY 4.0 license.
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