Mathematical and Physical Journal
for High Schools
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Problem P. 4471. (October 2012)

P. 4471. Two batteries of voltage 3 V is connected in parallel. Their internal resistances are 3 \Omega, and 2 \Omega. Then an external resistor of resistance 10 \Omega is connected to the batteries. What will the terminal voltage and the current through the batteries be?

(4 pont)

Deadline expired on November 12, 2012.

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

Megoldásvázlat. A kapocsfeszültség 2,68 V, az áramok pedig 107 mA és 161 mA.


118 students sent a solution.
4 points:69 students.
3 points:9 students.
2 points:9 students.
1 point:14 students.
0 point:17 students.

Problems in Physics of KöMaL, October 2012