Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up?
New to KöMaL?
I want the old design back!!! :-)

Problem P. 4009. (October 2007)

P. 4009. The voltage of the rechargeable battery of a car is 12 V. In order to generate sparks in the spark plug a voltage of 5 kV is needed. How is it possible to produce 5000 V from 12 V direct voltage?

(4 pont)

Deadline expired on November 12, 2007.


138 students sent a solution.
4 points:97 students.
3 points:4 students.
2 points:19 students.
1 point:9 students.
0 point:7 students.
Unfair, not evaluated:2 solutions.

Problems in Physics of KöMaL, October 2007