F=(Uo I1 I2)/2a show that the equation is homogeneous where F=Force, Uo= permeability of a vacuum, I1 and I2=current respectively, a= distance, 2= a dimensionless constant. Using base units of the physical quantities

Physics

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Answer

To prove that the equation F=μ0I1I22aF = \frac{\mu_0 I_1 I_2}{2a} is homogeneous using base SI units, we must show that the dimensions of the Left Hand Side (LHS) are equal to the dimensions of the Right Hand Side (RHS).

Given definitions:

  • FF: Force
  • μ0\mu_0: Permeability of a vacuum
  • I1,I2I_1, I_2: Electric current
  • aa: Distance
  • 2: A dimensionless constant

Note: The standard formula for the force per unit length between two parallel current-carrying wires is FL=μ0I1I22πa\frac{F}{L} = \frac{\mu_0 I_1 I_2}{2\pi a}.

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