A 20-NF Parallel Plate Capacitor with a Sheet of Mylar (K

question 53

Multiple Choice

A 2.0-nF parallel plate capacitor with a sheet of mylar (k = 3.1) filling the space between the plates is charged to a potential difference of 90 V and is then disconnected.How much work would be required to completely remove the sheet of mylar from the space between the two plates?

• A)1.7 * 10^-5 J
• B)3.5 * 10^-5 J
• C)5.6 * 10^-5 J
• D)8.1 * 10^-5 J

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