Problem P. 4344. (April 2011)
P. 4344. A capacitor and a resistor of big resistance, through which the capacitor is charged slowly, are connected in series to a battery of electromotive force 4.5 V. The voltage across the capacitor is 3 V one minute after the closing the circuit. What will the voltage across the capacitor be
a) after 2 minutes;
b) after 3 minutes?
(4 pont)
Deadline expired on 10 May 2011.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. \(\displaystyle a)\) 4 V.
\(\displaystyle b)\) 4,33 V.
Statistics:
65 students sent a solution.  
4 points:  54 students. 
3 points:  2 students. 
1 point:  1 student. 
0 point:  6 students. 
Unfair, not evaluated:  2 solutions. 
