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A dielectric slab with 500 mm × 500 mm cross-section is 0.4 m long. The slab is subjected to a uniform electric field of E = 6ax + 8ay kV/mm. The relative permitivity of the dielectric material is equal to 2. The value of constant εo is 8.85 * 10-12 F/m. The energy stored in the dielectric in Joules is
Options:
A .  8.85 * 10-11
B .  8.85 * 10-5
C .  88.5
D .  885
Answer: Option C


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