What is Q2? (#4) AT&T; 1:55 AM flipit physics.com Fliplt Physics 1161 SP16 Homew

Question

What is Q2? (#4) AT&T; 1:55 AM flipit physics.com Fliplt Physics 1161 SP16 Homework: Hwk4: Capacitance Circuit with Capacitors and a Battery A circuit is constructed with five capacitors and a battery as shown. The values for the are: C1 Cs a 4.7 HF C2 1.1 HF, C3 H 6 UF, and C4. 4.9 HF The battery voltage is V "What is cab, the equivalent capacitance between points a and b? 5.83 What is Cac, the equivalent capacitance between points a and What is Q5, the charge on capacitor Cs? "What is Q2, the charge on C2? "What is Q1, the charge on capacitor C1? "What is the voltage across capacitor C4? 41% hatalari Piale Capacitor Physical capacitors Circuit with Capacitors

Explanation / Answer

C1 = C5 = 4.7 uF
C2 = 1.1 uF
C3 = 6.0 uF
C4 = 4.9 uF
V = 12 V

Eq Capacitance btw Points A&B, Cab = C2*C3/(C2+C3) = 1.1*6.0 / (1.1 + 6.0)
Cab = 0.93 uF

Potential Across A-B, Vab = 3.45 v

Q = Cab * Vab
Q = 0.93 * 3.45 uC
Q = 3.21 uC
Charge on C2, Q2 = 3.21 uC

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