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P. 4112. A particle of charge Q and of negligible initial speed is accelerated through a potential difference of U. The particle reaches a region of uniform magnetic field of induction B, where it undergoes circular motion. What is the magnetic momentum of the circular current''?

(4 points)

Deadline expired on 11 December 2008.

Statistics on problem P. 4112.
 69 students sent a solution. 4 points: 51 students. 3 points: 12 students. 2 points: 4 students. 1 point: 1 student. 0 point: 1 student.

• Problems in Physics of KöMaL, November 2008

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