問題詳情

56. It is known that the magnetic field of 0.17 T can cause an

ion to move in a circular orbit ofradius 2 m. Find the radius of circular orbit of a

ion with identical velocity in the samemagnetic field. (Ion moves in direction perpendicular to the magnetic field.)
(A) 0.12 m
(B) 0.25 m
(C) 0.34 m
(D) 0.52 m
(E) 0.72 m

參考答案

答案：E
難度：計算中-1
書單：沒有書單，新增

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r= mv/qB ,  2m = (32 ☆☆☆)*☆/(1☆)...