A Cylindrical Capacitor Is Made of Two Thin-Walled Concentric Cylinders

question 25

Multiple Choice

A cylindrical capacitor is made of two thin-walled concentric cylinders.The inner cylinder has radius ,and the outer one a radius = 8.0 mm.The common length of the cylinders is L = 150 m.What is the potential energy stored in this capacitor when a potential difference 4.0 V is applied between the inner and outer cylinder?

• A) 9.6 × J
• B) 1.3 × J
• C) 6.3 × J
• D) 0.34 × J
• E) 4.6 × J

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