the answerse are A and B, respectively. show me calculations. Thanks A 3.0- mu F
ID: 3896373 • Letter: T
Question
the answerse are A and B, respectively. show me calculations. Thanks
A 3.0- mu F capacitor charged to 40 V and a 5.0- mu F capacitor charged to 18 V are connected to each other, with the positive plate of each connected to the negative plate of the other. What is the final charge on the 3.0- mu F capacitor? A 6.0- mu F capacitor charged to 50 V and a 4.0- mu F capacitor charged to 34 V are connected to each other, with the two positive plates connected and the two negative plates connected. What is the total energy stored in the 6.0- mu F capacitor at equilibrium?Explanation / Answer
CV =Q
3*40-5*18 = 30 uC
charge on 3uF
= 30*3/8
= 11 uC
b)
(6*50+4*34)*6/10
q = 261.6 uC
E = 0.5*q^2/C
= 0.5*261.6^2/6
= 5702.88 uJ
= 5.7 mJ
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