The Capacitance of a Parallel-Plate Capacitor Is 24 μF When

question 15

Multiple Choice

The capacitance of a parallel-plate capacitor is 24 μF when the plates are separated by a material of dielectric constant 2.0. If this material is removed, leaving air between the plates, and the separation between the plates is tripled, the capacitance is

• A) unchanged.
• B) 16 μF.
• C) 36 μF.
• D) 0.14 mF.
• E) 4.0 μF.

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