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The expression for the force between conductors carrying conductor in the same direction?

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When two long, straight conductors are placed parallel to each other and carry currents in the same direction, they attract each other due to the magnetic fields produced by the currents.

Expression for force per unit length- $$
\frac {F}{L}=\frac{μ_0I_1I_2}{2πr}
$$ 

This force is:

  1. Attractive if the currents are in the same direction.
  2. Repulsive if the currents are in opposite directions.
Posted by

Saniya Khatri

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