Problem: A parallel plate capacitor has a measured capacitance of 1.0 pF, and is charged to 2.0 μC, then disconnected from the power supply. The space between the plates is then filled with a certain dielectric material with a dielectric constant of K = 4.0. What is the resulting capacitance and the stored electric potential energy? A) 4.0 pF and 1.0 J B) 0.25 pF and 0.5 J C) 4.0 pF and 0.5 J D) 4.0 pF and 4.0 J

FREE Expert Solution
Problem Details

A parallel plate capacitor has a measured capacitance of 1.0 pF, and is charged to 2.0 μC, then disconnected from the power supply. The space between the plates is then filled with a certain dielectric material with a dielectric constant of K = 4.0. What is the resulting capacitance and the stored electric potential energy?

A) 4.0 pF and 1.0 J

B) 0.25 pF and 0.5 J

C) 4.0 pF and 0.5 J

D) 4.0 pF and 4.0 J

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro To Dielectrics concept. You can view video lessons to learn Intro To Dielectrics. Or if you need more Intro To Dielectrics practice, you can also practice Intro To Dielectrics practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 3 minutes and 3 seconds to solve this problem. You can follow their steps in the video explanation above.