A surface element vec(ds) = 5 hat(i) is ...

A surface element `vec(ds) = 5 hat(i)` is placed in an electric field `vec(E) = 4 hat(i) + 4 hat(j) + 4 hat(k)`. What is the electric flux emanting from the surface ?

A

40 unit

B

50 unit

C

30 unit

D

20 unit

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The correct Answer is:

D

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