an area 5×1/1000 i^ m.m is placed in an uniform electric field of (200i^+300j^ ) n/c. calculate the electric flux passing through the area ?
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Correct option is
As surface of area lies in the Y-Z plane, thus its area vector points in X direction i.e.
A
=20
i
^
Electric flux ϕ=
E
.
A
∴ ϕ=(5
i
^
+4
j
^
+9
k
^
).(20
i
^
)
⟹ ϕ=5×20=100 unit
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