Calculating Energe stored in a Parallel Plate Capacitor

AI Thread Summary
The discussion focuses on calculating the energy stored in a parallel plate capacitor with given parameters: a charge of Q on the left plate, -Q on the right, an electric field of 100 kV/m, an area of 2 × 10^-3 m², and a plate spacing of 6 × 10^-3 m. The relevant equation provided for energy storage is (1/2)((ke0A)/d)(Ed)², but there is confusion regarding the k factor in front of ε₀. Participants emphasize the importance of understanding each variable in the equation and how they relate to the problem's parameters. Clarification on the equation's components is necessary to proceed with the calculation. The discussion highlights the need for a solid grasp of the underlying physics to accurately compute the energy stored in the capacitor.
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The left plate of a parallel plate capacitor carries a positive charge Q, and the right plate carries a negative charge -Q. The magnitude of the electric field between the plates is 100 kV/m. The plates each have an area of 2 × 10-3 m2, and the spacing between the plates is 6 × 10-3 m. There is no dielectric between the plates.

Calculate the energy stored in the capacitor.


I believe this is the relevant equation:
(1/2)((ke0A)/d)(Ed)^2


I really don't know what to do with this
 
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The equation look alright except for the k before \epsilon_0.

To know what to do with this equation you have to know what each letter in it represents, know the connection between the letters and the information given in the problem, do you know them?
 

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