What ų the value of electric flux passing through surface area 5 ×10-³ J m² in electric field E= 200 i + 300 J N/C
Answers
Answered by
2
Flux through a surface is given by:
ϕ=
E
.
dS
Area is S=EScos(90)=0.1×0.1=0.01 m
2
ϕ=5×10
3
×0.01=50Nm
2
C
−1
When the square makes an angle of 30
o
with the x-axis, angle made by the normal with electric field is 90
o
−30
o
=60
o
Hence, ϕ=EScos(60
o
)=25Nm
2
C
−1
Similar questions