pls help show the calculation , this problem cosisit of 4 parts, pls do them all

Question

pls help show the calculation , this problem cosisit of 4 parts, pls do them all in order to get 5/5 part a) How much energy must a 45 v battery expend to charge a 0.25uf and a 0.90uf capacitor fully when they are placed in parallel? part b) How much energy must a 45v battery expend to charge a 0.25uf and a 0.90uf capacitor fully when they are placed in series? part c) How much charge flowed from the battery in case of parallel placement? part d)How much charge flowed from the battery in case of in series placement? Express your answer using two significant figures. thanks for help me out :

Explanation / Answer

a) 0.5 * 45^2 * 0.115*10^-6 = 116.4 J b)0.5*45^2 *1.956*10^-6 = 1980.97*10^-6 J c)5.175 *10^-6 d)88.02*10^-6

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