問題詳情

 5. A long, straight, hollow cylindrical wire with an inner radius R and an outer radius 2R carries a uniform current density. Whichof the following graphs best represents the magnitude of the magnetic field as a function of the distance from the center of thewire?
(A) 5d09c8a1a743b.jpg
(B) 5d09c8b2afcb7.jpg
(C) 5d09c8c2ad09c.jpg
(D) 5d09c8d6ada90.jpg
(E)送分

.

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