alleryStart learning →Which expression gives the energy stored per unit volume in an electric field E in vacuum?
AEpsilon0 times E
BTwo epsilon0 E squared
CHalf epsilon0 E squared
DEpsilon0 E squared / 4
Answer & Solution
Correct answer: C. Half epsilon0 E squared
The electric field energy density is half of epsilon-zero times E squared, valid for any charge configuration.
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