Gauss LawHard
Question
If the electric flux entering and leaving an enclosed surface respectively is φ1 and φ2, the electric charge inside the surface will be
Options
A.(φ2 - φ1)ε0
B.
C.
D.(φ2 + φ1)ε0
Solution
According to Gauss′s theorem, charge in flux = 
∴ q = (φ2 - φ1)ε0.
∴ q = (φ2 - φ1)ε0.
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