A plane surface of element of area `1 mm^(2)` is situated in a uniform electric field of intensity `9xx10^(6)N//C` with its plane making an angle of `30^(@)` with the direction of the field. The electric flux through the surface element isA. `4.5Nm^(2)//C`B. `3.5Nm^(2)//C`C. `0.5Nm^(2)//C`D. `2.5Nm^(2)//C`

A plane surface of element of area `1 mm^(2)` is situated in a uniform

1.	A plane surface of element of area `1 mm^(2)` is situated in a uniform electric field of intensity `9xx10^(6)N//C` with its plane making an angle of `30^(@)` with the direction of the field. The electric flux through the surface element isA. `4.5Nm^(2)//C`B. `3.5Nm^(2)//C`C. `0.5Nm^(2)//C`D. `2.5Nm^(2)//C`
Answer» Correct Answer - A `phi=dSE" ""as"" "theta=1xx10^(-6)xx9xx10^(6)xxcos60` `=4.5Nm^(2)//C.`

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