Asked by Sami
                Review Conceptual Example 11 before attempting this problem. An empty capacitor is connected to a 9V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (k=3)is inserted between the plates.
(a) Find the amount by which the potential difference across the plates changes.
(b) Find the final potential difference.
            
            
        (a) Find the amount by which the potential difference across the plates changes.
(b) Find the final potential difference.
Answers
                    Answered by
            drwls
            
    The capacitance C triples since it is proportional to k, the charge stays the same and the voltage becomes Vo/3 = 3V. 
The voltage drop is 6V
    
The voltage drop is 6V
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