Part A How much energy must a 24- V battery expend to charge a C 1 = 0.44 ? F an

Question

Part A How much energy must a 24-V battery expend to charge a C1 = 0.44?F and a C2 = 0.21?F capacitor fully when they are placed in parallel? Part B How much charge flowed from the battery in that case?
There will be two more questions (parts) in regards to this circuit when these two are answered.
Part A How much energy must a 24-V battery expend to charge a C1 = 0.44?F and a C2 = 0.21?F capacitor fully when they are placed in parallel? Part B How much charge flowed from the battery in that case?
There will be two more questions (parts) in regards to this circuit when these two are answered.
Part B How much charge flowed from the battery in that case?
There will be two more questions (parts) in regards to this circuit when these two are answered.

Explanation / Answer

energy of C1+energy of C2=0.5*C1*24^2+0.5*C2*V^2=0.1872 mJ

part B:

charge=charge on C1+charge on C2=C1*24+C2*24=15.6 uC

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