APFIVE Induced EMF in a Square Loop
A long, straight wire and a square loop of wire with side length a are placed in the same plane. The straight wire carries a current I that is increasing at a rate dI/dt. If the nearest side of the square loop is at a distance a from the straight wire, what is the magnitude of the induced emf in the loop?
A
(μ₀/2π)·a·(dI/dt)
B
(μ₀/2π)·ln(2)·a·(dI/dt)
C
(μ₀/4π)·ln(2)·a·(dI/dt)
D
μ₀·a·(dI/dt)
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