We can consider the energy stored in a capacitor as being stored in the electric
field created between the plates as the. Capacitor is charged. This description is reasonable
because the electric field is proportional to the charge on the, capacitor. For a
parallel-plate capacitor the potential, difference is related to the electric field through
the relationship! V #. Furthermore Ed,.Its capacitance is C #) 0A / D (Eq. 26.3). Substituting
these expressions into Equation 26.11 we obtain,,
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