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

Problem P. 4430. (March 2012)

P. 4430. In the circuit shown, R=1 k\Omega, C=10 mF. What is the terminal voltage of the battery if the condenser stores 4,5 J energy after it was charged?

(4 pont)

Deadline expired on April 10, 2012.

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

Megoldás. 40 V.


81 students sent a solution.
4 points:64 students.
3 points:4 students.
2 points:6 students.
1 point:5 students.
0 point:1 student.
Unfair, not evaluated:1 solution.

Problems in Physics of KöMaL, March 2012