Question Detail
Question
The quantity (1/2)εεE2 has the significance of:
Correct Answer
Option D is the correct answer.
Detailed Explanation
The energy density (energy per unit volume) stored in an electric field is given by the formula U = (1/2)εE2, where ε is the permittivity of the medium and E is the electric field strength. The quantity (1/2)εεE2 is likely a typo for (1/2)εE2 or (1/2)ε₀εᵣE2. Regardless of the exact permittivity symbol, this expression represents energy stored per unit volume.
Hint
Recall the formula for energy stored in an electric field and its units. The term with permittivity and electric field squared typically represents energy density.