Magnetic Force and Vacuum Permeability
Two long, parallel wires are separated by a distance of 0.1 m and carry currents of 5 A in opposite directions. If the permeability of free space, μ₀, were doubled, what would be the effect on the force per unit length between the wires?
A
The force would be halved
B
The force would quadruple
C
The force would double
D
The force would remain unchanged
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