A 0120 PF Parallel-Plate Capacitor Is Charged to a Potential Difference

question 36

Multiple Choice

A 0.120 pF parallel-plate capacitor is charged to a potential difference of 10.0 V and then disconnected from the battery. A cosmic ray burst creates 1.00 × 10⁶ electrons and 1.00 × 10⁶ positive charges between the plates. If the charges do not recombine, but reach the oppositely charged plates, by how much is the potential difference between the capacitor plates reduced?

• A) 1.33 V
• B) 7.34 V
• C) 8.67 V
• D) 1,330 V
• E) 8,670 V

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