Problem: A small sphere with charge q enters a region of uniform magnetic field that is directed into the page. While it is in the field, the sphere moves along the path shown in the sketch and then exits the field. The charge on the sphere is (a) positive (b) negative

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Problem Details

A small sphere with charge enters a region of uniform magnetic field that is directed into the page. While it is in the field, the sphere moves along the path shown in the sketch and then exits the field. The charge on the sphere is

(a) positive

(b) negative

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