Problem P. 4020. (November 2007)
P. 4020. A physicist works in a laboratory where the magnetic induction is 5 mT. She wears a golden necklace which encloses an area of 0.02 m2, and which has a resistance of 0.01 . What is the maximum of the current that flows in the necklace if the the magnetic induction decreases uniformly to 1 mT in 1 ms?
(4 pont)
Deadline expired on December 11, 2007.
Statistics:
129 students sent a solution. 4 points: 121 students. 3 points: 1 student. 1 point: 3 students. 0 point: 1 student. Unfair, not evaluated: 3 solutionss.
Problems in Physics of KöMaL, November 2007