The total electric flux coming out from a closed surface enclosing a stationary
unit positive charge in air is
(A) eo
(B) (0)-1
(c) (4760)
(D) 41 €
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12th
Physics
Electric Charges and Fields
Electric Flux
The flux of electric field ...
PHYSICS
The flux of electric field E=200 iNC through a cube of side 10 cm, oreinted so that its faces are parallel to the co-ordinate axes is
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Given, electric fleld E=200NC and each sides of cube is 0.1 m
Area of a side is ΔS=(0.1)2m2
Let two opposite surface be ΔS1 and ΔS2
Magnetic flux, ϕ=E.ΔS1+E.ΔS2
The angle between E and ΔS1 is zero and angle between
ΔS2 is 180 degree
∴ϕ=EΔS1cos0+E.Δcos(1800)
=E×0.01×1+E×0.01×(−1)
= 0
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