1.

A dielectric slab with 500 mm 500 mm crosssection is 0.4 m long. The slab is subjected to a uniform electric field of E = 6ax + 8ay kV/mm. The relative permittivity of the dielectric material is equal to 2. The value of constant 0 is 8.85 10 12 F/m. The energy stored in the dielectric in Joules is

A. 8.85 10
B. 8.85 10
C. 88.5
D. 885
Answer» C. 88.5


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