Parallel Plate Capacitors Video Lessons

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Problem: A system of four capacitors are connected across a 90 -V voltage source as shown in the figure. a) What is the charge on 4.0 uF capacitor? b) What is the charge on 2.0 uF capacitor? 

FREE Expert Solution

For capacitors in series, the equivalent capacitance is:

1Ceq=1C1+1C2+...+1Cn

or

For two capacitors in series, equivalent capacitance is:

Ceq=C1C2C1+C2

Charge:

Q=CV

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Problem Details

A system of four capacitors are connected across a 90 -V voltage source as shown in the figure. 

a) What is the charge on 4.0 uF capacitor? 

b) What is the charge on 2.0 uF capacitor? 

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