1st Question: Gaussian surface has q,-4q, 3q inside it and 6q outside it . What is the flux thru the surface ?
2nd Question: A 7C charge moved from one point to other on equipotential surface. What is the work done ?
Answers
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Answer:
1) flux is zero
2) work done is zero
Explanation:
Since flux(ø) is q/é where q is net charge enclosed and é is permittivity of free space, 4q-3q-q=0
Work done is given by W=dV.q and since dV =0 for a equipotential surface, work done is zero
Hope the answer helped you
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