Question Part Points Submissions Used A small circular loop of wire of radius 5.

Question

Question Part Points Submissions Used A small circular loop of wire of radius 5.0 cm and resistance R = 1.1 10-3 is centered inside a large circular loop of wire of radius 50 cm (see figure below). The larger loop, which initially carries a current I = 7.1 A, is cut and its current is reduced to zero over a time interval of 9.0 10-7 s. Find the average current in the smaller loop during this time interval. (The magnetic field of the larger loop is approximately constant over the smaller loop.) What is the magnitude?

Explanation / Answer

Equation: Magnetic field induced by larger loop:

B =

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