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An electric field E → = 4 x i ^ - y 2 + 1 j ^ N / C passes through the box shown in figure. The flux of the electric field through surfaces A B C D and B C G F are marked as ϕ I and ϕ II respectively. The difference between ϕ I - ϕ I I is (in N m 2 / C ) ____________.

Correct answer

0

Step-by-step solution

Flux via A B C D ϕ 1 = ∫ E . d A = 0 Flux via B C E F ϕ 2 = ∫ E . d A ϕ 2 = E . A = 4 x i ^ - y 2 + 1 j ^ . 4 i ^ = 16 x   w h e r e ,   x = 3 ϕ 2 = 48 N . m 2 C   ϕ 1 - ϕ 2 = - 48 N . m 2 C

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