Capacitor Properties Self Test

1.       This capacitor circuit shows two capacitors in parallel

     (a) What is the voltage across each capacitor? (1)

     (b) What can be said about the total charge? (1)

     (c) How is this consistent with Kirchhoff I?  (2)

 

 

2.      This circuit shows two capacitors in series:

          (a) What can be said about the charges on the plates of each of the capacitor?  (1)

          (b) What can be said about the voltage across each capacitor and the battery voltage? (1)

          (c) How is this consistent with Kirchhoff II?  (2)

  

3.      Write down the formula for calculating the single capacitor equivalent for two parallel capacitors.  (1)

 

4.      Write down the formula for calculating the single capacitor equivalent for two series capacitors.  (1)

 

5.      Three capacitors of 1.5 mF, 3.3 mF and 4.7 mF are connected in parallel.  They are connected to a 6.0 volt battery.

         (a) Calculate the single capacitor equivalent.  (2)

         (b) Calculate the total charge held by the capacitors (2)

 

6.      The same capacitors are now connected to the same battery, but are in series.

         (a) Calculate the single capacitor equivalent.  (2)

         (b) Calculate the total charge held by the capacitors (2)

         (c) Work out the voltage across each capacitor (2)

 

Total = 20 marks 

Home

Tutorial

Answers