Problem P. 3813. (September 2005)
P. 3813. How can a gold leaf electroscope be charged a) negatively, b) positively by using a plastic rod, which was rubbed by a piece of fur?
(3 pont)
Deadline expired on October 11, 2005.
Statistics:
281 students sent a solution. 3 points: 107 students. 2 points: 71 students. 1 point: 73 students. 0 point: 27 students. Unfair, not evaluated: 3 solutionss.
Problems in Physics of KöMaL, September 2005