A defibrillator contains a 210 uf capacitor, charged by a 2.4 kv source through a 31 kohm resistance. whats the capacitor charge after 20 seconds? what fraction of the maximum possible charge is your answer in part a? how much charge would be added if the charging continued for another 20 seconds?
a) 85.71 μC
b) 2/3
c) 85.71 μC
d) 171.43 μC