As Shown in the Figure,a Large Round Loop of 269 $78.0 \mathrm {~A} \text {. }$

question 97

Short Answer

As shown in the figure,a large round loop of 269 turns and radius 67.0 cm carries a current of I = $78.0 \mathrm {~A} \text {. }$ A small square loop of 31.0 turns and 1.00 cm on a side is placed at the center of the large loop.If the current in the large loop drops to 0.00 A in 0.0470 s,find the induced emf in the small loop.The square loop is small enough that you can assume that the $\vec { B }$ field in its region is uniform and equal to the $\vec { B }$ field at the center of the round loop.(μ₀ = 4π × 10^-7 T ∙ m/A)

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