A parallel plate capacitor has a uniform electric field E → in the space between the plates. If the distance…

A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is d and the area of each plate is A, the energy stored in the capacitor is: (ε0= permittivity of free space)
  1. 12ε0E2
  2. ε0EAd
  3. 12ε0E2Ad
  4. E2Adε0

Solution

Electric energy density x=12ε0E2

Volume of the space between plates of Capacitor is Ad.

Energy Stored = Energy density × Volume

=12ε0E2Ad

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Asked in: NEET 2021

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