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The electric field in a certain region ...

The electric field in a certain region of space is `( 5 hat(i) 4 hat(j) - 4 hat(k)) xx 10^(5) [ N //C]` . Calculate electric flux due to this field over an area of `( 2 hat(i) - hat(j)) xx 10^(-2) [ m^(2)]`

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`phi= vec(E). vec(S) = [ 5 xx 2 + 4 xx ( -1) -4 xx 0] xx 10^(5) N m^(2)// C`
`= 6 xx 10^( 3 ) Nm^(2) //C`
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