A circuit is constructed with five capacitors and a battery as shown. The values

Question

A circuit is constructed with five capacitors and a battery as shown. The values for the capacitors are: C1 = C5 = 3.8 F, C2 = 1.9 F, C3 = 7.6 F, and C4 = 2 F. The battery voltage is V = 12 V.

1.)What is Cab, the equivalent capacitance between points a and b?

2)What is Cac, the equivalent capacitance between points a and c?

3)What is Q5, the charge on capacitor C5?

4)What is Q2, the charge on C2?

5)What is Q1, the charge on capacitor C1?

6)What is V4, the voltage across capacitor C4?

Explanation / Answer

Ans: If two capacitor(C1 & C2) are in parallel then the equivalent capacitance is C=C1+ C2 anf if they are in series then C=C1C2/(C1 + C2);

1)Cab=3.52  F

2)Cac=1.83  F

3)Q5=14.8  C

4)Q2=6.39  C

5)Q1=14.8  C

6)V4= 4.20V

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