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CBSE Class 12-science Answered

<div>Two charges of magnitude -2Q and +Q &nbsp;are located at points (a,0) &amp; (4a,0) resp. . what is the electric flux due &nbsp;to &nbsp;these charges through sphere of radius 3a &nbsp;with its centre at the origin &nbsp;?&nbsp;</div>
Asked by yash.bisht9910 | 18 May, 2015, 12:33: PM
Expert Answer
According to gauss theorem we know that the electric flux through a closed surface enclosing a charge is equal to 1/ε0 times the magnitude of the charge enclosed.
The charge enclosed by the sphere = -2Q
Therefore in this case the electric flux due to these charges through sphere of radius 3a with its centre at the origin,

begin mathsize 14px style straight ϕ equals fraction numerator negative 2 straight Q over denominator straight epsilon subscript 0 end fraction end style
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