For the system of capacitors shown in the figure the charge on the right plate o

Question

For the system of capacitors shown in the figure the charge on the right plate of C1 is known to be 20 uC.

(a) Determine the equivalent capacitance of the system.

(b) Determine the magnitude of the charge on the C2 capacitor.

(c) Determine the magnitude of the charge on the C3 capacitor.

(d) Find the potential differences Vay, Vyb and Vab.

For the system of capacitors shown in the figure the charge on the right plate of C1 is known to be 20 uC. Determine the equivalent capacitance of the system. Determine the magnitude of the charge on the C2 capacitor. Determine the magnitude of the charge on the C3 capacitor. Find the potential differences Vay, Vyb and Vab.

Explanation / Answer

A) equivalent capacitance= (4+8)*4/(4+8+4)=3 micro F

B)V1=V2=q1/v1=20/4=5V

Q2=5*V1=5*8=40micro C

C) Q3=4*5=20 micro C

D)Vay=Vyb=V1=5V

Vab=0V

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