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Physics problems: electricity

 

Problem 29.

A parallel-plate air capacitor has a capacitance of 800 pF. The charge on each plate is 6 µC. What is the potential difference between the plates?

 

 

Solution

In this problem we just need to use the relation between the capacitance of the capacitor, its charge and the potential difference between the plates:

 

From this equation we can find:

 

 

 

 

 

 

 

 

 

 

 

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