Mathematical and Physical Journal
for High Schools
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Problem P. 4194. (November 2009)

P. 4194. How can a neutral metal object be charged negatively with the help of a positively charged object?

(3 pont)

Deadline expired on December 10, 2009.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás. Megosztással, majd az egyik oldal leföldelésével.


134 students sent a solution.
3 points:101 students.
2 points:2 students.
1 point:23 students.
0 point:7 students.
Unfair, not evaluated:1 solutions.

Problems in Physics of KöMaL, November 2009