A sphere of radius 1m encloses a charge of 5μC. Another charge of −5μC is placed inside the sphere. The net electric flux would be :
four times
double
three times
zero
A
three times
B
double
C
zero
D
four times
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Solution
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We know flux ϕ=Qenclosedϵ0 as Qenclosedbysphere=+5μc−5μc=0 ∴ϕ=0
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