q1,q2,q3andq4 are point charges located at points as shown in the figure and S is spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law.
A
∮(→E1+→E2+→E3).d→A=q1+q2+q32ϵ0
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B
∮(→E1+→E2+→E3).d→A=q1+q2+q3ϵ0
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C
∮(→E1+→E2+→E3).d→A=q1+q2+q3+q4ϵ0
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D
Noneoftheabove
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Solution
The correct option is B∮(→E1+→E2+→E3).d→A=q1+q2+q3ϵ0 ∮(→E1+→E2+→E3).d→A=q1+q2+q3ϵ0 q4is outside the closed path.