Mathematical and Physical Journal
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I want the old design back!!! :-)

Problem P. 3841. (November 2005)

P. 3841. In the circuit shown in the figure switch K is turned off for a long time, then it is turned on for a long time. How does the charge of the condenser change?

Data: C=10 \muF, \mathcal{E}_{1}=1~\rm V, Rb1=0.2 \Omega, \mathcal{E}_{2}=3~\rm V, Rb2=0.4 \Omega.

(4 pont)

Deadline expired on December 12, 2005.


79 students sent a solution.
4 points:53 students.
3 points:8 students.
2 points:10 students.
1 point:4 students.
Unfair, not evaluated:4 solutions.

Problems in Physics of KöMaL, November 2005