The energy stored in a parallel plate capacitor

The energy stored in a parallel plate capacitor is A. equal to the work required to charge it B. ½ CV 2 C. equal to the average potential difference multiplied by the final charge D. all of the above E. none of the above

Energy can be stored in a vacuum. A. True B. False

The capacitance of a capacitor of a given dimension is _______ when there is a dielectric material between the plates than when there is air or vacuum. A. greater B. less C. the same

The potential across a capacitor of a given dimension is _______ when there is a dielectric material between the plates than when there is air or vacuum. A. greater B. less C. the same

The charges on the plates of a capacitor of a given dimension is _______ when there is a dielectric material between the plates than when there is air or vacuum. A. greater B. less C. the same

Due to dielectric breakdown, when a dielectric material is subjected to a sufficiently strong electric field, it becomes a(n) ____. A. Insulator B. conductor

The plates of a parallel-plate capacitor are 2. 50 mm apart, each carrying a charge of magnitude 80. 0 n. C. The plates are in a vacuum and the electric fields between the plates has a magnitude of 4. 00 x 106 V/m. What is the potential difference between the plates (in V)? Rank 1 2 3 4 5 6 Responses

The plates of a parallel-plate capacitor are 2. 50 mm apart, each carrying a charge of magnitude 80. 0 n. C. The plates are in a vacuum and the electric fields between the plates has a magnitude of 4. 00 x 106 V/m. What is the capacitance (in p. F)? Rank 1 2 3 4 5 6 Responses

A 12. 5 μF capacitor is connected to a power supply that keeps a constant potential difference of 24. 0 V across the plates. A piece of material having a dielectric constant of 3. 75 is placed between the plates, filling the space. How much energy is stored in the capacitor before the material was inserted (in m. J)? Rank 1 2 3 4 5 6 Responses

A 12. 5 μF capacitor is connected to a power supply that keeps a constant potential difference of 24. 0 V across the plates. A piece of material having a dielectric constant of 3. 75 is placed between the plates, filling the space. How much energy is stored in the capacitor after the material was inserted (in m. J)? Rank 1 2 3 4 5 6 Responses