hapter 19 Begin Date: 2/9/2018 12:01:0() AM-Due Date: 2/18/2018 I 1:59:00 PM End
ID: 1873337 • Letter: H
Question
hapter 19 Begin Date: 2/9/2018 12:01:0() AM-Due Date: 2/18/2018 I 1:59:00 PM End Date: 2/18/2018 I 1:59:00 PM (7%) Problem 10: Three capacitors are connected in series as shown in the figure The capacitances are C1 2.1 , and C2 4.2 E C3 is unknown, and the charge stored in each capacitor is Q = 6.5 pC ©theexpertta.com 20% Part (a) Express the capacitance C of a capacitor in terms of charge O and voltage AP on it Grade Summa Deductions Potential 100% AV Submissions Attempts remaining: 8 (0% per attempt) detailed view Submit Hint l give up! Hints: 0%-deduction per hint. Hints remaining: Feedback: 0% deduction per feedback. 20% Part (b) Apply the above formula to capacitor C1 to find an expression for the potential difference V12 across it 20 Part (c) Express the potential difference V12 through potentials VI and V where V1 and V are the potentials measured in the wires 1 and 2, respectively, relative to the negative side of the battery 20% Part (d) Calculate V2 in V given V,-9 V 20% Part (e) Repeat the above procedure for capacitor C2 and calculate the potential at point 3. J 3 in V All content &2018 Expert TA, LLCExplanation / Answer
a) Q = CV
C = Q//V
b) V12= 6.5 x 10^-6/ 2.1 x10^-6=3.1 V
c)V12 = V1-V2
d)V2= 6 V apprx
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