AIPMT PRELIMS2007Physics-Electrostatics
AIPMT PRELIMS 2007 Physics Electric Flux MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A hollow cylinder has a charge q coulomb within it. If ϕ is the electric flux in units of voltmeter associated with the curved surface B, the flux linked with the plane surface A in units of voltmeter will be
A
q/2ε₀
B
ϕ/3
C
q/ε₀ - ϕ
D
1/2 (q/ε₀ - ϕ)
Correct Answer
Option C
Detailed Explanation
The total flux through the cylinder is q/ε₀. The flux through surface B is ϕ, so the flux through surface A is q/ε₀ - ϕ.
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