Capacitors

Capacitors

Capacity

$$ \large C = \frac{\epsilon A}{d} = \frac{k \epsilon}{d} $$

Energy

$$ \large E = \frac{\sigma}{\epsilon} = \frac{Q}{\epsilon d} = \frac{V}{d} $$
  • GRE Physics GR0877: Problem 093

Permittivity

$$ \large \kappa \epsilon_0 = \epsilon $$
  • GRE Physics GR0177: Problem 095

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