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?
Deadline expired on May 10, 2011.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. \(\displaystyle a)\) 4 V.
\(\displaystyle b)\) 4,33 V.
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.