Mathematical and Physical Journal
for High Schools
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Problem P. 4285. (November 2010)

P. 4285. The capacitance of an electrolyte condenser of a flash, which is to store energy, is 3300 \muF, and its operating voltage is 350 V. What percent of the stored energy can be used for the flash, if the discharging process is ceased in the discharge tube at 50 V.

(3 pont)

Deadline expired on December 10, 2010.

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

Megoldás. 98 százalékát.


84 students sent a solution.
3 points:52 students.
2 points:11 students.
1 point:14 students.
0 point:3 students.
Unfair, not evaluated:4 solutions.

Problems in Physics of KöMaL, November 2010